cite an academic research paper

Citing sources: Overview

• Citation style guides

Manage your references

Use these tools to help you organize and cite your references:

• Citation Management and Writing Tools

If you have questions after consulting this guide about how to cite, please contact your advisor/professor or the writing and communication center .

Why citing is important

It's important to cite sources you used in your research for several reasons:

• To show your reader you've done proper research by listing sources you used to get your information
• To be a responsible scholar by giving credit to other researchers and acknowledging their ideas
• To avoid plagiarism by quoting words and ideas used by other authors
• To allow your reader to track down the sources you used by citing them accurately in your paper by way of footnotes, a bibliography or reference list

About citations

Citing a source means that you show, within the body of your text, that you took words, ideas, figures, images, etc. from another place.

Citations are a short way to uniquely identify a published work (e.g. book, article, chapter, web site).  They are found in bibliographies and reference lists and are also collected in article and book databases.

Citations consist of standard elements, and contain all the information necessary to identify and track down publications, including:

• author name(s)
• titles of books, articles, and journals
• date of publication
• page numbers
• volume and issue numbers (for articles)

Citations may look different, depending on what is being cited and which style was used to create them. Choose an appropriate style guide for your needs.  Here is an example of an article citation using four different citation styles.  Notice the common elements as mentioned above:

Author - R. Langer

Article Title - New Methods of Drug Delivery

Source Title - Science

Volume and issue - Vol 249, issue 4976

Publication Date - 1990

Page numbers - 1527-1533

American Chemical Society (ACS) style:

Langer, R. New Methods of Drug Delivery. Science 1990 , 249 , 1527-1533.

IEEE Style:

R. Langer, " New Methods of Drug Delivery," Science , vol. 249 , pp. 1527-1533 , SEP 28, 1990 .

American Psychological Association   (APA) style:

Langer, R. (1990) . New methods of drug delivery. Science , 249 (4976), 1527-1533.

Modern Language Association (MLA) style:

Langer, R. " New Methods of Drug Delivery." Science 249.4976 (1990) : 1527-33.

What to cite

You must cite:

• Facts, figures, ideas, or other information that is not common knowledge

Publications that must be cited include:  books, book chapters, articles, web pages, theses, etc.

Another person's exact words should be quoted and cited to show proper credit 

When in doubt, be safe and cite your source!

Avoiding plagiarism

Plagiarism occurs when you borrow another's words (or ideas) and do not acknowledge that you have done so. In this culture, we consider our words and ideas intellectual property; like a car or any other possession, we believe our words belong to us and cannot be used without our permission.

Plagiarism is a very serious offense. If it is found that you have plagiarized -- deliberately or inadvertently -- you may face serious consequences. In some instances, plagiarism has meant that students have had to leave the institutions where they were studying.

The best way to avoid plagiarism is to cite your sources - both within the body of your paper and in a bibliography of sources you used at the end of your paper.

Some useful links about plagiarism:

• MIT Academic Integrity Overview on citing sources and avoiding plagiarism at MIT.
• Avoiding Plagiarism From the MIT Writing and Communication Center.
• Plagiarism: What It is and How to Recognize and Avoid It From Indiana University's Writing Tutorial Services.
• Plagiarism- Overview A resource from Purdue University.
• Next: Citation style guides >>
• Last Updated: Jan 16, 2024 7:02 AM
• URL: https://libguides.mit.edu/citing

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Citation styles: apa, mla, chicago, turabian, ieee.

• APA 7th Edition
• Turabian 9th
• Writing & Citing Help
• Understanding Plagiarism

Quick Links

Listed below are a few quick links to resources that will aid you in citing sources.

• Sign up for a Mendeley, EndNote, or Zotero training class.
• APA 7th Edition Published in October 2019. Visit this page for links to resources and examples.
• MLA Need help with citing MLA style? Find information here along with links to books in PittCat and free online resources.
• Chicago/Turabian Need help with citing Chicago/Turabian style? Find examples here along with links to the online style manual and free online resources.

Getting Started: How to use this guide

This LibGuide was designed to provide you with assistance in citing your sources when writing an academic paper.

There are different styles which format the information differently. In each tab, you will find descriptions of each citation style featured in this guide along with links to online resources for citing and a few examples.

What is a citation and citation style?

A citation is a way of giving credit to individuals for their creative and intellectual works that you utilized to support your research. It can also be used to locate particular sources and combat plagiarism. Typically, a citation can include the author's name, date, location of the publishing company, journal title, or DOI (Digital Object Identifier).

A citation style dictates the information necessary for a citation and how the information is ordered, as well as punctuation and other formatting.

How to do I choose a citation style?

There are many different ways of citing resources from your research. The citation style sometimes depends on the academic discipline involved. For example:

• APA (American Psychological Association) is used by Education, Psychology, and Sciences
• MLA (Modern Language Association) style is used by the Humanities
• Chicago/Turabian style is generally used by Business, History, and the Fine Arts

*You will need to consult with your professor to determine what is required in your specific course.

Click the links below to find descriptions of each style along with a sample of major in-text and bibliographic citations, links to books in PittCat, online citation manuals, and other free online resources.

• APA Citation Style
• MLA Citation Style
• Chicago/Turabian Citation Style
• Tools for creating bibliographies (CItation Managers)

Writing Centers

Need someone to review your paper? Visit the Writing Center or Academic Success Center on your campus.

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• Next: APA 7th Edition >>
• Last Updated: May 20, 2024 9:46 AM
• URL: https://pitt.libguides.com/citationhelp

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• Knowledge Base
• Referencing

A Quick Guide to Harvard Referencing | Citation Examples

Published on 14 February 2020 by Jack Caulfield . Revised on 15 September 2023.

Referencing is an important part of academic writing. It tells your readers what sources you’ve used and how to find them.

Harvard is the most common referencing style used in UK universities. In Harvard style, the author and year are cited in-text, and full details of the source are given in a reference list .

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Table of contents

Harvard in-text citation, creating a harvard reference list, harvard referencing examples, referencing sources with no author or date, frequently asked questions about harvard referencing.

A Harvard in-text citation appears in brackets beside any quotation or paraphrase of a source. It gives the last name of the author(s) and the year of publication, as well as a page number or range locating the passage referenced, if applicable:

Note that ‘p.’ is used for a single page, ‘pp.’ for multiple pages (e.g. ‘pp. 1–5’).

An in-text citation usually appears immediately after the quotation or paraphrase in question. It may also appear at the end of the relevant sentence, as long as it’s clear what it refers to.

When your sentence already mentions the name of the author, it should not be repeated in the citation:

Sources with multiple authors

When you cite a source with up to three authors, cite all authors’ names. For four or more authors, list only the first name, followed by ‘ et al. ’:

Sources with no page numbers

Some sources, such as websites , often don’t have page numbers. If the source is a short text, you can simply leave out the page number. With longer sources, you can use an alternate locator such as a subheading or paragraph number if you need to specify where to find the quote:

Multiple citations at the same point

When you need multiple citations to appear at the same point in your text – for example, when you refer to several sources with one phrase – you can present them in the same set of brackets, separated by semicolons. List them in order of publication date:

Multiple sources with the same author and date

If you cite multiple sources by the same author which were published in the same year, it’s important to distinguish between them in your citations. To do this, insert an ‘a’ after the year in the first one you reference, a ‘b’ in the second, and so on:

Prevent plagiarism, run a free check.

A bibliography or reference list appears at the end of your text. It lists all your sources in alphabetical order by the author’s last name, giving complete information so that the reader can look them up if necessary.

The reference entry starts with the author’s last name followed by initial(s). Only the first word of the title is capitalised (as well as any proper nouns).

Sources with multiple authors in the reference list

As with in-text citations, up to three authors should be listed; when there are four or more, list only the first author followed by ‘ et al. ’:

Reference list entries vary according to source type, since different information is relevant for different sources. Formats and examples for the most commonly used source types are given below.

• Entire book
• Book chapter
• Translated book
• Edition of a book

Journal articles

• Print journal
• Online-only journal with DOI
• Online-only journal with no DOI
• General web page
• Online article or blog
• Social media post

Sometimes you won’t have all the information you need for a reference. This section covers what to do when a source lacks a publication date or named author.

No publication date

When a source doesn’t have a clear publication date – for example, a constantly updated reference source like Wikipedia or an obscure historical document which can’t be accurately dated – you can replace it with the words ‘no date’:

Note that when you do this with an online source, you should still include an access date, as in the example.

When a source lacks a clearly identified author, there’s often an appropriate corporate source – the organisation responsible for the source – whom you can credit as author instead, as in the Google and Wikipedia examples above.

When that’s not the case, you can just replace it with the title of the source in both the in-text citation and the reference list:

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Harvard referencing uses an author–date system. Sources are cited by the author’s last name and the publication year in brackets. Each Harvard in-text citation corresponds to an entry in the alphabetised reference list at the end of the paper.

Vancouver referencing uses a numerical system. Sources are cited by a number in parentheses or superscript. Each number corresponds to a full reference at the end of the paper.

A Harvard in-text citation should appear in brackets every time you quote, paraphrase, or refer to information from a source.

The citation can appear immediately after the quotation or paraphrase, or at the end of the sentence. If you’re quoting, place the citation outside of the quotation marks but before any other punctuation like a comma or full stop.

In Harvard referencing, up to three author names are included in an in-text citation or reference list entry. When there are four or more authors, include only the first, followed by ‘ et al. ’

Though the terms are sometimes used interchangeably, there is a difference in meaning:

• A reference list only includes sources cited in the text – every entry corresponds to an in-text citation .
• A bibliography also includes other sources which were consulted during the research but not cited.

Cite this Scribbr article

If you want to cite this source, you can copy and paste the citation or click the ‘Cite this Scribbr article’ button to automatically add the citation to our free Reference Generator.

Caulfield, J. (2023, September 15). A Quick Guide to Harvard Referencing | Citation Examples. Scribbr. Retrieved 31 May 2024, from https://www.scribbr.co.uk/referencing/harvard-style/

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• Research Papers

How to Cite a Research Paper

Last Updated: March 29, 2024 Fact Checked

This article was reviewed by Gerald Posner and by wikiHow staff writer, Jennifer Mueller, JD . Gerald Posner is an Author & Journalist based in Miami, Florida. With over 35 years of experience, he specializes in investigative journalism, nonfiction books, and editorials. He holds a law degree from UC College of the Law, San Francisco, and a BA in Political Science from the University of California-Berkeley. He’s the author of thirteen books, including several New York Times bestsellers, the winner of the Florida Book Award for General Nonfiction, and has been a finalist for the Pulitzer Prize in History. He was also shortlisted for the Best Business Book of 2020 by the Society for Advancing Business Editing and Writing. There are 8 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 415,993 times.

When writing a paper for a research project, you may need to cite a research paper you used as a reference. The basic information included in your citation will be the same across all styles. However, the format in which that information is presented is somewhat different depending on whether you're using American Psychological Association (APA), Modern Language Association (MLA), Chicago, or American Medical Association (AMA) style.

Referencing a Research Paper

• In APA style, cite the paper: Last Name, First Initial. (Year). Title. Publisher.
• In Chicago style, cite the paper: Last Name, First Name. “Title.” Publisher, Year.
• In MLA style, cite the paper: Last Name, First Name. “Title.” Publisher. Year.

Citation Help

• For example: "Kringle, K., & Frost, J."

• For example: "Kringle, K., & Frost, J. (2012)."
• If the date, or any other information, are not available, use the guide at https://blog.apastyle.org/apastyle/2012/05/missing-pieces.html .

• For example: "Kringle, K., & Frost, J. (2012). Red noses, warm hearts: The glowing phenomenon among North Pole reindeer."
• If you found the research paper in a database maintained by a university, corporation, or other organization, include any index number assigned to the paper in parentheses after the title. For example: "Kringle, K., & Frost, J. (2012). Red noses, warm hearts: The glowing phenomenon among North Pole reindeer. (Report No. 1234)."

• For example: "Kringle, K., & Frost, J. (2012). Red noses, warm hearts: The glowing phenomenon among North Pole reindeer. (Report No. 1234). Retrieved from Alaska University Library Archives, December 24, 2017."

• For example: "(Kringle & Frost, 2012)."
• If there was no date on the research paper, use the abbreviation n.d. : "(Kringle & Frost, n.d.)."

• For example: "Kringle, Kris, and Jack Frost."

• For example: "Kringle, Kris, and Jack Frost. "Red Noses, Warm Hearts: The Glowing Phenomenon among North Pole Reindeer." Master's thesis."

• For example: "Kringle, Kris, and Jack Frost. "Red Noses, Warm Hearts: The Glowing Phenomenon among North Pole Reindeer." Master's thesis, Alaska University, 2012."

• For example: "Kringle, Kris, and Jack Frost. "Red Noses, Warm Hearts: The Glowing Phenomenon among North Pole Reindeer." Master's thesis, Alaska University, 2012. Accessed at https://www.northpolemedical.com/raising_rudolf."

• Footnotes are essentially the same as the full citation, although the first and last names of the authors aren't inverted.
• For parenthetical citations, Chicago uses the Author-Date format. For example: "(Kringle and Frost 2012)."

• For example: "Kringle, Kris, and Frost, Jack."

• For example: "Kringle, Kris, and Frost, Jack. "Red Noses, Warm Hearts: The Glowing Phenomenon Among North Pole Reindeer.""

• For example, suppose you found the paper in a collection of paper housed in university archives. Your citation might be: "Kringle, Kris, and Frost, Jack. "Red Noses, Warm Hearts: The Glowing Phenomenon Among North Pole Reindeer." Master's Theses 2000-2010. University of Alaska Library Archives. Accessed December 24, 2017."

• For example: "(Kringle & Frost, p. 33)."

• For example: "Kringle K, Frost J."

• For example: "Kringle K, Frost J. Red noses, warm hearts: The glowing phenomenon among North Pole reindeer."

• For example: "Kringle K, Frost J. Red noses, warm hearts: The glowing phenomenon among North Pole reindeer. Nat Med. 2012; 18(9): 1429-1433."

• For example, if you're citing a paper presented at a conference, you'd write: "Kringle K, Frost J. Red noses, warm hearts: The glowing phenomenon among North Pole reindeer. Oral presentation at Arctic Health Association Annual Summit; December, 2017; Nome, Alaska."
• To cite a paper you read online, you'd write: "Kringle K, Frost J. Red noses, warm hearts: The glowing phenomenon among North Pole reindeer. https://www.northpolemedical.com/raising_rudolf"

• For example: "According to Kringle and Frost, these red noses indicate a subspecies of reindeer native to Alaska and Canada that have migrated to the North Pole and mingled with North Pole reindeer. 1 "

Community Q&A

• If you used a manual as a source in your research paper, you'll need to learn how to cite the manual also. Thanks Helpful 0 Not Helpful 0
• If you use any figures in your research paper, you'll also need to know the proper way to cite them in MLA, APA, AMA, or Chicago. Thanks Helpful 0 Not Helpful 0

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• ↑ https://askus.library.wwu.edu/faq/116659
• ↑ https://guides.libraries.psu.edu/apaquickguide/intext
• ↑ https://owl.purdue.edu/owl/research_and_citation/chicago_manual_17th_edition/cmos_formatting_and_style_guide/general_format.html
• ↑ https://libanswers.snhu.edu/faq/48009
• ↑ https://www.chicagomanualofstyle.org/tools_citationguide/citation-guide-2.html
• ↑ https://owl.purdue.edu/owl/research_and_citation/mla_style/mla_formatting_and_style_guide/mla_in_text_citations_the_basics.html
• ↑ https://morningside.libguides.com/MLA8/location
• ↑ https://owl.purdue.edu/owl/research_and_citation/ama_style/index.html

About This Article

To cite a paper APA style, start with the author's last name and first initial, and the year of publication. Then, list the title of the paper, where you found it, and the date that you accessed it. In a paper, use a parenthetical reference with the last name of the author and the publication year. For an MLA citation, list the author's last name and then first name and the title of the paper in quotations. Include where you accessed the paper and the date you retrieved it. In your paper, use a parenthetical reference with the author's last name and the page number. Keep reading for tips on Chicago and AMA citations and exceptions to the citation rules! Did this summary help you? Yes No

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Home / Guides / Citation Guides / MLA Format / MLA Journal Article Citation

How to Cite a Journal Article in MLA

This page is a how-to guide for using scholarly journals as sources and citing them correctly in your papers. Academic journals publish scholarly, peer-reviewed articles written by experts in a specific field. This guide will help you understand what journals are and why they are valuable for your research.

Quickly cite a journal article by using our online form here .

Citing a journal article in mla:, the importance of peer-reviewed academic journals, how journals are organized, where to find journal articles.

• In-text citations
• Works cited references
• Citation with one author
• Citation with two authors
• Citation with three or more authors
• Citation with no known author
• Citation Structures and Examples: Web
• Citation Structures and Examples: Print

Our guide will show you how to cite the journal article both in the text and in the Works Cited page following the guidelines of the Modern Language Association Handbook, 9th Edition.

What is an Academic Journal?

Academic or scholarly journals are periodicals published by universities and other research organizations to present the findings of original research conducted in a particular field. These journals contain highly specific knowledge and are written by experts in that field.

Journals are different from other periodicals such as newspapers or magazines, which cover a broad range of topics and are written in easy to read prose.

Because  journals are written by experts for other experts, they can be difficult to read. The writers often use jargon and other complex language that students may not understand. But that doesn’t mean you should not use journals in your research. Journals are where the most recent research is published and provide in-depth information on a topic.

Tip : Reading the abstract and the conclusion first may help you to understand the article as you read.

Journals are good sources for academic research not only because they are written by experts, but because most (but not all) are also reviewed by other experts before the article is published.

Journals that are peer-reviewed have a board of experts in the field that review articles submitted to the journal. The peer reviewers scrutinize every article closely to validate its findings and ensure that the research was done properly. The process of peer review gives credibility to the journal because it means that every article published has been approved by other experts in the field.

Academic journals are organized in volumes and issues.

• Volume: The volume is all of the editions of the journal published in a calendar year.
• Issue(s):   The issues are all the specific editions of the journal published in that year.

Tip : Journals frequently publish issues around a certain theme, so all of the articles in that issue will relate to a certain topic. This means that there may be other articles in a particular issue that you can use for your research. It pays to check the table of contents for the issue when you find an article that fits your needs.

You will need to include the volume and the issue numbers, and the page numbers in your citations so make sure to write those down when you take notes from a journal.

When you are doing scholarly research, you can’t use popular search engines like Google, Bing, or Yahoo. These will lead you to popular sources that may not work for a school paper. You need to search for information using an academic database which will lead you to scholarly articles.

Databases are organized computer-based collections of data that allow researchers to find a large number of articles quickly and easily.

Examples of popular general academic databases include:

• Academic Search Premier
• Google Scholar

Examples of popular academic databases focused on specific subjects:

• MEDLINE, PubMed Central — focus on biomedical and life sciences
• Lexis Web — focus on legal information
• Education Resources Information Center (ERIC) — focus on education

Many of these databases charge fees for use. The good news? Many can be accessed through a school or university library. Check your library’s website to see what databases it subscribes to and how you can access them.

Using a Journal Article in a Paper

You can use information from your research in three ways:

• Paraphrase: Take the information from a specific paragraph or section of the article and rewrite it in your own words.
• Summarize: Write a broad overview of the section or the article in your own words.
• Quote: Repeat the exact words used by the author using quotation marks.

Whenever you quote, paraphrase, or summarize information in your paper, you need to follow that information with an in-text citation and create a corresponding reference for the source (in the Works Cited).

Journal Article In-text Citations

Citations within your text are important. Each in-text citation:

• Alerts your reader that you are using information from an outside source.
• Usually appears in parentheses at the end of a sentence.
• Is short and only has enough information to help the reader find the complete reference listed in the Works Cited page at the end of the paper.

A MLA style in-text citation has two parts (MLA Handbook 227-228):

• If there is no author listed, include a shortened version of the title
• While many online sources do not have a page number, academic journals almost always do, even when they are available online.

In most cases, the in-text citation is at the end of the sentence in parentheses. If you use the author’s name in the text, you don’t have to repeat it in the parenthesis at the end. Do not separate the author’s name and the page number with a comma. See below for examples.

Works Cited References for Journal Articles

A Works Cited page is included at the end of your paper. It lists full references/citations for all of the sources mentioned in your paper via your in-text citations.

MLA Containers

In the 9th edition of the official Handbook, MLA includes a new term for citing references, which was first introduced in the 8th edition — containers (134). Periodicals like journals are considered “containers” because they contain the articles that are part of a larger whole.

The container holds the source article and is crucial in identifying the source. The title of the first container, the journal name, is printed in italics and follows the article name. When accessing journals through a database, the database is considered the second container. This title is also printed in italics.

Digital Object Identifier (DOI)

Another feature in citing sources is the DOI (Handbook 188) . DOI stands for Digital Object Identifier, which is used to permanently identify an article or document and link to it on the web.

Although a website or database may change names, the DOI will not change and will help your readers locate the document from your citation. Whenever possible, list the DOI in place of the URL. When you have a DOI, you do not need to give the URL of the website. Indicate that a reference is a DOI by adding “https://doi.org/” before the DOI number of your source.

Another way to identify an online location is with a permalink. Permalinks are URLs that are identified as a stable link that the publisher promises not to change.

For journal references, the following elements need to be included in your Work(s) Cited entries: 

• The name of the author or authors. Since journal articles often have more than one author, it is helpful to know when to use et al. in MLA .
• Title of article
• Title of journal (the container)
• Volume and issue number
• Date of publication
• Page numbers
• Database (the 2nd container)
• DOI, permalink, or URL
• Date of access (supplemental, but should be included if the information has no publication date listed)

Citing a Journal Article in MLA (found in databases)

The following are examples of how to cite a journal in MLA 9, both in text and as a full reference in the Works Cited. These were all found via a database.

Note that “Date Accessed” is the day that the journal article was found and read. This information is supplemental and does not always need to be included.

Journal Article Citation With One Author

Cite your source

Journal Article Citation With Two Authors

*Note:  When a source has multiple authors, you should always list them in your citation in the same order they are listed in the source.

Journal Article Citation With Three or More Authors

Journal article citation with no known author, citing a journal article in mla (print).

Citing a journal from a print source requires less information than an online source. For a print source, you need the following information:

• The name of the author or authors for articles with one or two authors. For articles with three or more authors, only the first author’s name is used followed by et al.
• The name of the article in quotation marks
• The name of the journal in italics
• The volume and issue numbers of the journal
• The year of publication
• The page number(s)

View Screenshot | Cite your source

Citing an Online Journal Article (not found using a database)

Some journal articles are accessible online without the use of a database. Citing an online journal article not found in a database requires that you cite the website that you used to access the article as the second container. Do not include the https:// in the web address.

*Note : Since journals are usually stable and credible sources, including an access date is supplemental and not required (“When Should I Include an Access Date for an Online Work”).

• Works Cited

MLA Handbook . 9th ed., Modern Language Association of America, 2021.  

“When should I include an access date for an online work?” MLA Style Center , Modern Language Association, 29 Dec. 2016, style.mla.org/access-dates/.

Published October 31, 2011. Updated June 6, 2021.

Written by Catherine Sigler. Catherine has a Ph.D. in English Education and has taught college-level writing for 15 years.

MLA Formatting Guide

MLA Formatting

• Annotated Bibliography
• Bibliography
• Block Quotes
• et al Usage
• In-text Citations
• Paraphrasing
• Page Numbers
• Sample Paper
• MLA 8 Updates
• MLA 9 Updates
• View MLA Guide

Citation Examples

• Book Chapter
• Journal Article
• Magazine Article
• Newspaper Article
• Website (no author)
• View all MLA Examples

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It’s 100% free to create MLA citations. The EasyBib Citation Generator also supports 7,000+ other citation styles. These other styles—including APA, Chicago, and Harvard—are accessible for anyone with an EasyBib Plus subscription.

No matter what citation style you’re using (APA, MLA, Chicago, etc.) the EasyBib Citation Generator can help you create the right bibliography quickly.

Yes, there’s an option to download source citations as a Word Doc or a Google Doc. You may also copy citations from the EasyBib Citation Generator and paste them into your paper.

Creating an account is not a requirement for generating MLA citations. However, registering for an EasyBib account is free and an account is how you can save all the citation you create. This can help make it easier to manage your citations and bibliographies.

Yes! Whether you’d like to learn how to construct citations on your own, our Autocite tool isn’t able to gather the metadata you need, or anything in between, manual citations are always an option. Click here for directions on using creating manual citations.

If any important information is missing (e.g., author’s name, title, publishing date, URL, etc.), first see if you can find it in the source yourself. If you cannot, leave the information blank and continue creating your citation.

It supports MLA, APA, Chicago, Harvard, and over 7,000 total citation styles.

To cite a magazine with multiple authors and no page numbers in MLA style, you need to have basic information including the authors, the article’s title, the magazine’s title, the publication date, and the DOI, permalink, or URL. The templates and examples for in-text citations and a works-cited-list entry of a book written by multiple authors are given below:

In-text citation template and example:

For citations in prose, use the first name and surname of the first author followed by “and others” or “and colleagues” for sources with three or more authors. In subsequent citations, use only the surname of the first author followed by “and others” or “and colleagues.” In parenthetical citations, always use only the surname of the first author followed by “et al.”

Citation in prose:

First mention: Han Ong and colleagues…. or Han Ong and others ….

Subsequent occurrences: Ong and colleagues…. or Ong and others ….

Parenthetical:

….( Ong et al.).

Works-cited-list entry template and example:

The title of the article is in plain text and title case; it is placed inside double quotation marks. The title of the magazine is set in italics and title case. Follow the format given in the template and example for setting the day, month, and year.

Surname, First., et al. “Title of the Article.” Title of the Magazine , Publication Date, DOI/permalink/URL.

Ong, Han, et al. “The Monkey Who Speaks.” The New Yorker , 13 Sept. 2021, www.newyorker.com/magazine/2021/09/13/the-monkey-who-speaks.

Use only the first author’s name in surname–first name order in the entry followed by “et al.”

To cite an online journal or magazine article in MLA style, you need to have basic information including the author, the article’s title, the journal or magazine’s title, the publication date, and the DOI, permalink, or URL. If available, also include a volume and an issue number of the journal or magazine. The templates for in-text citations and a works-cited-list entry of an online journal article and examples are given below for a source with one author:

For citations in prose, use the first name and surname of the author on the first occurrence. In subsequent citations, use only the surname. In parenthetical citations, always use only the surname of the author.

First mention: Elizabeth Garber ….

Subsequent occurrences: Garber ….

….(Garber).

The title of the journal or magazine article is set in plain roman text and title case; it is placed inside double quotation marks. The title of the journal or magazine is set in italics and title case. Follow the format given in the template and example for writing the publication month or season and year.

Surname, First. “Title of the Article.” Journal or Magazine Title , Volume, Issue, Publication Date, DOI/permalink/URL.

Garber, Elizabeth. “Craft as Activism.” The Journal of Social Theory in Art Education , vol. 33, no.1, spring 2013, www.scholarscompass.vcu.edu/jstae/vol33/iss1/6/ .

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How to Cite Research Papers: A Step-by-Step Guide

Welcome to the comprehensive guide on how to cite research papers.

Properly citing sources is crucial in academic and professional writing to give credit to the original authors and avoid plagiarism. In this step-by-step guide, we will explore the importance of citations, different citation styles such as. APA ,. MLA , and. Chicago , and provide practical examples to help you master the art of citing research papers effectively. Whether you are a student, researcher, or writer, understanding how to cite sources correctly is a valuable skill that enhances the credibility of your work. By the end of this guide, you will have the knowledge and tools to create accurate and consistent citations for your research papers. Let’s dive into the world of academic integrity and learn how to acknowledge the contributions of other scholars through proper citation practices.

Popular Citation Styles and Their Characteristics

When it comes to academic writing, proper citation is crucial to give credit to the original sources and to avoid plagiarism. Different disciplines and institutions may follow specific citation styles. Here are some of the most popular citation styles and their characteristics:.

• Developed by the American Psychological Association, APA Style is commonly used in social sciences. It features in-text citations with an author-date format and a reference list at the end of the document. APA Style also provides guidelines for formatting papers, citing sources, and creating a reference page.
• MLA Style:.
• The Modern Language Association created MLA Style, which is often used in humanities disciplines. MLA uses parenthetical citations in the text and includes a Works Cited page. In addition to citation rules, MLA Style covers various aspects of academic writing, such as paper formatting, headings, and abbreviations.
• Chicago/Turabian Style:.
• Chicago Style has two variations: Notes and Bibliography and Author-Date. It is widely used in history and some social science disciplines. Turabian Style, based on Chicago Style, is a simpler version often used by students. Chicago/Turabian Style provides detailed guidelines for citing different types of sources, creating footnotes or endnotes, and formatting the bibliography.
• IEEE Style:.
• The Institute of Electrical and Electronics Engineers (IEEE) developed this style for technical fields like engineering and computer science. IEEE uses numbered citations in square brackets and includes a reference list with full bibliographic details. Apart from citation rules, IEEE Style addresses aspects like equations, tables, and figures in technical documents.

Each citation style has its own rules for formatting citations, references, and bibliographies. Writers should pay attention to details such as punctuation, capitalization, and italics when applying a specific style. Understanding the nuances of each citation style is essential for researchers, students, and academics to communicate their ideas effectively and ethically in scholarly writing.

Additional Information:

Harvard Style

• The Harvard referencing style is widely used in the UK and Australia. It utilizes an author-date system for in-text citations and a bibliography at the end of the document. Harvard Style emphasizes the importance of providing detailed information about all sources cited, including page numbers for direct quotes.
• Vancouver Style:.
• Commonly used in biomedical sciences, the Vancouver Style uses a numerical citation system. In-text citations are indicated by numbers in square brackets, and a numbered reference list is included at the end of the document. Vancouver Style is known for its simplicity and ease of use in scientific writing.
• AMA Style:.
• The American Medical Association Style is predominantly used in medical and biological sciences. AMA Style features numbered citations in superscript in the text and a corresponding numbered reference list. This style also includes specific guidelines for citing medical literature, clinical studies, and online resources.
• Bluebook Style:.
• Primarily used in legal writing, the Bluebook Style provides rules for citing legal documents, court cases, statutes, and other legal sources. Bluebook citations include abbreviations for legal terms and specific formatting requirements for legal citations.

By familiarizing themselves with various citation styles, writers can adapt their writing to meet the standards of different disciplines and publications. Choosing the appropriate citation style enhances the credibility and professionalism of academic and research papers.

Guidelines for Citing Research Papers

When citing research papers, it is essential to follow specific guidelines to give proper credit to the original authors and sources. Here are some key points to consider:.

• Formatting Author Names and Titles: When citing research papers, ensure that you accurately format the author names and titles. Follow the required citation style guide, such as APA, MLA, or Chicago, to correctly present this information. Include the author’s full name when possible, and if there are multiple authors, list them in the order they appear on the paper.
• Incorporating Citations in the Body of the Paper: Integrate citations smoothly within the body of your paper to support your arguments or provide evidence for your statements. Make sure to include the author’s name and the publication year when citing within the text. Additionally, consider using signal phrases to introduce citations effectively, such as ‘According to’ or ‘As stated by.’ This helps seamlessly integrate the citation into your writing.
• Creating a Reference Section: At the end of your research paper, compile a reference section listing all the sources you cited in your paper. Organize the references alphabetically by the author’s last name or by the title if no author is provided. Include all the necessary publication details for each source, such as the title of the work, the name(s) of the author(s), the publication date, and the source (e.g., journal, book, website).
• Avoiding Plagiarism: Plagiarism is a serious academic offense that can have severe consequences. Always properly cite the sources you use in your research paper to avoid plagiarism. If you directly quote a source, use quotation marks and provide the page number in your citation. Paraphrased information also requires citation to give credit to the original author.
• Using Citation Management Tools: Consider using citation management tools like Zotero, EndNote, or Mendeley to organize your references and generate citations automatically. These tools can save you time and ensure accuracy in your citations and reference list.

By following these comprehensive guidelines for citing research papers, you not only demonstrate academic integrity but also contribute to the scholarly conversation in your field. Proper citation practices help build a foundation of knowledge and acknowledge the work of others, fostering a culture of respect and collaboration in academia.

Avoiding Plagiarism and Ethical Considerations

Plagiarism is a serious offense in the academic and professional world, and it can have severe consequences. To maintain academic integrity and uphold ethical standards, it is crucial to understand the importance of citing resources properly. When writing any form of content, whether it’s an essay, research paper, article, or even a blog post, it is essential to give credit to the original sources.

Importance of Citing Resources to Avoid Plagiarism:

• Acknowledgment of Intellectual Property: Citing sources gives credit to the original creators of ideas, research, or work. It acknowledges their intellectual property rights and contributions.
• Building Credibility: Proper citations add credibility to your own work by showing that your arguments and ideas are supported by reputable sources.
• Avoiding Plagiarism Allegations: By citing sources correctly, you demonstrate that you have done your research and are not trying to pass off someone else’s work as your own.

When and How to Properly Cite Sources:

• Direct Quotes: Whenever you directly quote a source, use quotation marks and provide a citation indicating the source.
• Paraphrasing: When you paraphrase someone else’s ideas or work, even if you are not using their exact words, you still need to cite the original source.
• Common Knowledge: Information that is considered common knowledge does not require citation. However, if in doubt, it is better to provide a reference.
• Citation Styles: Different academic disciplines use specific citation styles such as APA, MLA, Chicago, or Harvard. Make sure to follow the appropriate style guide for your field.

Additional Considerations:

• Self-Plagiarism: It is also important to note that self-plagiarism, which involves reusing your own previously published work without proper citation, is considered unethical in many academic settings. Always cite your own work if you are incorporating it into a new piece.
• Online Sources: With the proliferation of online content, it is crucial to properly cite digital sources, including websites, online articles, and social media posts. Be sure to include URLs and access dates when referencing online material.
• Plagiarism Detection Tools: Utilize plagiarism detection software to check your work before submission. These tools can help identify unintentional instances of plagiarism and ensure that your writing is original.

By understanding the importance of citing resources and following ethical guidelines, you can avoid plagiarism and contribute to a culture of academic honesty and integrity.

Mastering the art of citing research papers is a fundamental skill for any academic or researcher. By following a step-by-step guide, individuals can ensure that they give proper credit to the original authors and sources, thereby upholding academic integrity. Additionally, learning how to write a scientific abstract is equally crucial, as it serves as a concise summary of the research study. The webpage at Avidnote offers valuable insights and tips on crafting effective scientific abstracts, which can greatly benefit PhD students and researchers. By honing these skills through practice and repetition, individuals can enhance their academic writing abilities and effectively communicate their research findings to a broader audience. Visit the provided link to delve deeper into the art of writing a compelling scientific abstract.

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Home » How to Cite Research Paper – All Formats and Examples

How to Cite Research Paper – All Formats and Examples

Table of Contents

Research Paper Citation

Research paper citation refers to the act of acknowledging and referencing a previously published work in a scholarly or academic paper . When citing sources, researchers provide information that allows readers to locate the original source, validate the claims or arguments made in the paper, and give credit to the original author(s) for their work.

The citation may include the author’s name, title of the publication, year of publication, publisher, and other relevant details that allow readers to trace the source of the information. Proper citation is a crucial component of academic writing, as it helps to ensure accuracy, credibility, and transparency in research.

How to Cite Research Paper

There are several formats that are used to cite a research paper. Follow the guide for the Citation of a Research Paper:

Last Name, First Name. Title of Book. Publisher, Year of Publication.

Example : Smith, John. The History of the World. Penguin Press, 2010.

Journal Article

Last Name, First Name. “Title of Article.” Title of Journal, vol. Volume Number, no. Issue Number, Year of Publication, pp. Page Numbers.

Example : Johnson, Emma. “The Effects of Climate Change on Agriculture.” Environmental Science Journal, vol. 10, no. 2, 2019, pp. 45-59.

Research Paper

Last Name, First Name. “Title of Paper.” Conference Name, Location, Date of Conference.

Example : Garcia, Maria. “The Importance of Early Childhood Education.” International Conference on Education, Paris, 5-7 June 2018.

Author’s Last Name, First Name. “Title of Webpage.” Website Title, Publisher, Date of Publication, URL.

Example : Smith, John. “The Benefits of Exercise.” Healthline, Healthline Media, 1 March 2022, https://www.healthline.com/health/benefits-of-exercise.

News Article

Last Name, First Name. “Title of Article.” Name of Newspaper, Date of Publication, URL.

Example : Robinson, Sarah. “Biden Announces New Climate Change Policies.” The New York Times, 22 Jan. 2021, https://www.nytimes.com/2021/01/22/climate/biden-climate-change-policies.html.

Author, A. A. (Year of publication). Title of book. Publisher.

Example: Smith, J. (2010). The History of the World. Penguin Press.

Author, A. A., Author, B. B., & Author, C. C. (Year of publication). Title of article. Title of Journal, volume number(issue number), page range.

Example: Johnson, E., Smith, K., & Lee, M. (2019). The Effects of Climate Change on Agriculture. Environmental Science Journal, 10(2), 45-59.

Author, A. A. (Year of publication). Title of paper. In Editor First Initial. Last Name (Ed.), Title of Conference Proceedings (page numbers). Publisher.

Example: Garcia, M. (2018). The Importance of Early Childhood Education. In J. Smith (Ed.), Proceedings from the International Conference on Education (pp. 60-75). Springer.

Author, A. A. (Year, Month Day of publication). Title of webpage. Website name. URL

Example: Smith, J. (2022, March 1). The Benefits of Exercise. Healthline. https://www.healthline.com/health/benefits-of-exercise

Author, A. A. (Year, Month Day of publication). Title of article. Newspaper name. URL.

Example: Robinson, S. (2021, January 22). Biden Announces New Climate Change Policies. The New York Times. https://www.nytimes.com/2021/01/22/climate/biden-climate-change-policies.html

Chicago/Turabian style

Please note that there are two main variations of the Chicago style: the author-date system and the notes and bibliography system. I will provide examples for both systems below.

Author-Date system:

• In-text citation: (Author Last Name Year, Page Number)
• Reference list: Author Last Name, First Name. Year. Title of Book. Place of publication: Publisher.
• In-text citation: (Smith 2005, 28)
• Reference list: Smith, John. 2005. The History of America. New York: Penguin Press.

Notes and Bibliography system:

• Footnote/Endnote citation: Author First Name Last Name, Title of Book (Place of publication: Publisher, Year), Page Number.
• Bibliography citation: Author Last Name, First Name. Title of Book. Place of publication: Publisher, Year.
• Footnote/Endnote citation: John Smith, The History of America (New York: Penguin Press, 2005), 28.
• Bibliography citation: Smith, John. The History of America. New York: Penguin Press, 2005.

JOURNAL ARTICLES:

• Reference list: Author Last Name, First Name. Year. “Article Title.” Journal Title Volume Number (Issue Number): Page Range.
• In-text citation: (Johnson 2010, 45)
• Reference list: Johnson, Mary. 2010. “The Impact of Social Media on Society.” Journal of Communication 60(2): 39-56.
• Footnote/Endnote citation: Author First Name Last Name, “Article Title,” Journal Title Volume Number, Issue Number (Year): Page Range.
• Bibliography citation: Author Last Name, First Name. “Article Title.” Journal Title Volume Number, Issue Number (Year): Page Range.
• Footnote/Endnote citation: Mary Johnson, “The Impact of Social Media on Society,” Journal of Communication 60, no. 2 (2010): 39-56.
• Bibliography citation: Johnson, Mary. “The Impact of Social Media on Society.” Journal of Communication 60, no. 2 (2010): 39-56.

RESEARCH PAPERS:

• Reference list: Author Last Name, First Name. Year. “Title of Paper.” Conference Proceedings Title, Location, Date. Publisher, Page Range.
• In-text citation: (Jones 2015, 12)
• Reference list: Jones, David. 2015. “The Effects of Climate Change on Agriculture.” Proceedings of the International Conference on Climate Change, Paris, France, June 1-3, 2015. Springer, 10-20.
• Footnote/Endnote citation: Author First Name Last Name, “Title of Paper,” Conference Proceedings Title, Location, Date (Place of publication: Publisher, Year), Page Range.
• Bibliography citation: Author Last Name, First Name. “Title of Paper.” Conference Proceedings Title, Location, Date. Place of publication: Publisher, Year.
• Footnote/Endnote citation: David Jones, “The Effects of Climate Change on Agriculture,” Proceedings of the International Conference on Climate Change, Paris, France, June 1-3, 2015 (New York: Springer, 10-20).
• Bibliography citation: Jones, David. “The Effects of Climate Change on Agriculture.” Proceedings of the International Conference on Climate Change, Paris, France, June 1-3, 2015. New York: Springer, 10-20.
• In-text citation: (Author Last Name Year)
• Reference list: Author Last Name, First Name. Year. “Title of Webpage.” Website Name. URL.
• In-text citation: (Smith 2018)
• Reference list: Smith, John. 2018. “The Importance of Recycling.” Environmental News Network. https://www.enn.com/articles/54374-the-importance-of-recycling.
• Footnote/Endnote citation: Author First Name Last Name, “Title of Webpage,” Website Name, URL (accessed Date).
• Bibliography citation: Author Last Name, First Name. “Title of Webpage.” Website Name. URL (accessed Date).
• Footnote/Endnote citation: John Smith, “The Importance of Recycling,” Environmental News Network, https://www.enn.com/articles/54374-the-importance-of-recycling (accessed April 8, 2023).
• Bibliography citation: Smith, John. “The Importance of Recycling.” Environmental News Network. https://www.enn.com/articles/54374-the-importance-of-recycling (accessed April 8, 2023).

NEWS ARTICLES:

• Reference list: Author Last Name, First Name. Year. “Title of Article.” Name of Newspaper, Month Day.
• In-text citation: (Johnson 2022)
• Reference list: Johnson, Mary. 2022. “New Study Finds Link Between Coffee and Longevity.” The New York Times, January 15.
• Footnote/Endnote citation: Author First Name Last Name, “Title of Article,” Name of Newspaper (City), Month Day, Year.
• Bibliography citation: Author Last Name, First Name. “Title of Article.” Name of Newspaper (City), Month Day, Year.
• Footnote/Endnote citation: Mary Johnson, “New Study Finds Link Between Coffee and Longevity,” The New York Times (New York), January 15, 2022.
• Bibliography citation: Johnson, Mary. “New Study Finds Link Between Coffee and Longevity.” The New York Times (New York), January 15, 2022.

Harvard referencing style

Format: Author’s Last name, First initial. (Year of publication). Title of book. Publisher.

Example: Smith, J. (2008). The Art of War. Random House.

Journal article:

Format: Author’s Last name, First initial. (Year of publication). Title of article. Title of journal, volume number(issue number), page range.

Example: Brown, M. (2012). The impact of social media on business communication. Harvard Business Review, 90(12), 85-92.

Research paper:

Format: Author’s Last name, First initial. (Year of publication). Title of paper. In Editor’s First initial. Last name (Ed.), Title of book (page range). Publisher.

Example: Johnson, R. (2015). The effects of climate change on agriculture. In S. Lee (Ed.), Climate Change and Sustainable Development (pp. 45-62). Springer.

Format: Author’s Last name, First initial. (Year, Month Day of publication). Title of page. Website name. URL.

Example: Smith, J. (2017, May 23). The history of the internet. Encyclopedia Britannica. https://www.britannica.com/topic/history-of-the-internet

News article:

Format: Author’s Last name, First initial. (Year, Month Day of publication). Title of article. Title of newspaper, page number (if applicable).

Example: Thompson, E. (2022, January 5). New study finds coffee may lower risk of dementia. The New York Times, A1.

IEEE Format

Author(s). (Year of Publication). Title of Book. Publisher.

Smith, J. K. (2015). The Power of Habit: Why We Do What We Do in Life and Business. Random House.

Journal Article:

Author(s). (Year of Publication). Title of Article. Title of Journal, Volume Number (Issue Number), page numbers.

Johnson, T. J., & Kaye, B. K. (2016). Interactivity and the Future of Journalism. Journalism Studies, 17(2), 228-246.

Author(s). (Year of Publication). Title of Paper. Paper presented at Conference Name, Location.

Jones, L. K., & Brown, M. A. (2018). The Role of Social Media in Political Campaigns. Paper presented at the 2018 International Conference on Social Media and Society, Copenhagen, Denmark.

• Website: Author(s) or Organization Name. (Year of Publication or Last Update). Title of Webpage. Website Name. URL.

Example: National Aeronautics and Space Administration. (2019, August 29). NASA’s Mission to Mars. NASA. https://www.nasa.gov/topics/journeytomars/index.html

• News Article: Author(s). (Year of Publication). Title of Article. Name of News Source. URL.

Example: Johnson, M. (2022, February 16). Climate Change: Is it Too Late to Save the Planet? CNN. https://www.cnn.com/2022/02/16/world/climate-change-planet-scn/index.html

Vancouver Style

In-text citation: Use superscript numbers to cite sources in the text, e.g., “The study conducted by Smith and Johnson^1 found that…”.

Reference list citation: Format: Author(s). Title of book. Edition if any. Place of publication: Publisher; Year of publication.

Example: Smith J, Johnson L. Introduction to Molecular Biology. 2nd ed. New York: Wiley-Blackwell; 2015.

In-text citation: Use superscript numbers to cite sources in the text, e.g., “Several studies have reported that^1,2,3…”.

Reference list citation: Format: Author(s). Title of article. Abbreviated name of journal. Year of publication; Volume number (Issue number): Page range.

Example: Jones S, Patel K, Smith J. The effects of exercise on cardiovascular health. J Cardiol. 2018; 25(2): 78-84.

In-text citation: Use superscript numbers to cite sources in the text, e.g., “Previous research has shown that^1,2,3…”.

Reference list citation: Format: Author(s). Title of paper. In: Editor(s). Title of the conference proceedings. Place of publication: Publisher; Year of publication. Page range.

Example: Johnson L, Smith J. The role of stem cells in tissue regeneration. In: Patel S, ed. Proceedings of the 5th International Conference on Regenerative Medicine. London: Academic Press; 2016. p. 68-73.

In-text citation: Use superscript numbers to cite sources in the text, e.g., “According to the World Health Organization^1…”.

Reference list citation: Format: Author(s). Title of webpage. Name of website. URL [Accessed Date].

Example: World Health Organization. Coronavirus disease (COVID-19) advice for the public. World Health Organization. https://www.who.int/emergencies/disease/novel-coronavirus-2019/advice-for-public [Accessed 3 March 2023].

In-text citation: Use superscript numbers to cite sources in the text, e.g., “According to the New York Times^1…”.

Reference list citation: Format: Author(s). Title of article. Name of newspaper. Year Month Day; Section (if any): Page number.

Example: Jones S. Study shows that sleep is essential for good health. The New York Times. 2022 Jan 12; Health: A8.

Author(s). Title of Book. Edition Number (if it is not the first edition). Publisher: Place of publication, Year of publication.

Example: Smith, J. Chemistry of Natural Products. 3rd ed.; CRC Press: Boca Raton, FL, 2015.

Journal articles:

Author(s). Article Title. Journal Name Year, Volume, Inclusive Pagination.

Example: Garcia, A. M.; Jones, B. A.; Smith, J. R. Selective Synthesis of Alkenes from Alkynes via Catalytic Hydrogenation. J. Am. Chem. Soc. 2019, 141, 10754-10759.

Research papers:

Author(s). Title of Paper. Journal Name Year, Volume, Inclusive Pagination.

Example: Brown, H. D.; Jackson, C. D.; Patel, S. D. A New Approach to Photovoltaic Solar Cells. J. Mater. Chem. 2018, 26, 134-142.

Author(s) (if available). Title of Webpage. Name of Website. URL (accessed Month Day, Year).

Example: National Institutes of Health. Heart Disease and Stroke. National Heart, Lung, and Blood Institute. https://www.nhlbi.nih.gov/health-topics/heart-disease-and-stroke (accessed April 7, 2023).

News articles:

Author(s). Title of Article. Name of News Publication. Date of Publication. URL (accessed Month Day, Year).

Example: Friedman, T. L. The World is Flat. New York Times. April 7, 2023. https://www.nytimes.com/2023/04/07/opinion/world-flat-globalization.html (accessed April 7, 2023).

In AMA Style Format, the citation for a book should include the following information, in this order:

• Title of book (in italics)
• Edition (if applicable)
• Place of publication
• Year of publication

Lodish H, Berk A, Zipursky SL, et al. Molecular Cell Biology. 4th ed. New York, NY: W. H. Freeman; 2000.

In AMA Style Format, the citation for a journal article should include the following information, in this order:

• Title of article
• Abbreviated title of journal (in italics)
• Year of publication; volume number(issue number):page numbers.

Chen H, Huang Y, Li Y, et al. Effects of mindfulness-based stress reduction on depression in adolescents and young adults: a systematic review and meta-analysis. JAMA Netw Open. 2020;3(6):e207081. doi:10.1001/jamanetworkopen.2020.7081

In AMA Style Format, the citation for a research paper should include the following information, in this order:

• Title of paper
• Name of journal or conference proceeding (in italics)
• Volume number(issue number):page numbers.

Bredenoord AL, Kroes HY, Cuppen E, Parker M, van Delden JJ. Disclosure of individual genetic data to research participants: the debate reconsidered. Trends Genet. 2011;27(2):41-47. doi:10.1016/j.tig.2010.11.004

In AMA Style Format, the citation for a website should include the following information, in this order:

• Title of web page or article
• Name of website (in italics)
• Date of publication or last update (if available)
• URL (website address)
• Date of access (month day, year)

Centers for Disease Control and Prevention. How to protect yourself and others. CDC. Published February 11, 2022. Accessed February 14, 2022. https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/prevention.html

In AMA Style Format, the citation for a news article should include the following information, in this order:

• Name of newspaper or news website (in italics)
• Date of publication

Gorman J. Scientists use stem cells from frogs to build first living robots. The New York Times. January 13, 2020. Accessed January 14, 2020. https://www.nytimes.com/2020/01/13/science/living-robots-xenobots.html

Bluebook Format

One author: Daniel J. Solove, The Future of Reputation: Gossip, Rumor, and Privacy on the Internet (Yale University Press 2007).

Two or more authors: Martha Nussbaum and Saul Levmore, eds., The Offensive Internet: Speech, Privacy, and Reputation (Harvard University Press 2010).

Journal article

One author: Daniel J. Solove, “A Taxonomy of Privacy,” University of Pennsylvania Law Review 154, no. 3 (January 2006): 477-560.

Two or more authors: Ethan Katsh and Andrea Schneider, “The Emergence of Online Dispute Resolution,” Journal of Dispute Resolution 2003, no. 1 (2003): 7-19.

One author: Daniel J. Solove, “A Taxonomy of Privacy,” GWU Law School Public Law Research Paper No. 113, 2005.

Two or more authors: Ethan Katsh and Andrea Schneider, “The Emergence of Online Dispute Resolution,” Cyberlaw Research Paper Series Paper No. 00-5, 2000.

WebsiteElectronic Frontier Foundation, “Surveillance Self-Defense,” accessed April 8, 2023, https://ssd.eff.org/.

News article

One author: Mark Sherman, “Court Deals Major Blow to Net Neutrality Rules,” ABC News, January 14, 2014, https://abcnews.go.com/Politics/wireStory/court-deals-major-blow-net-neutrality-rules-21586820.

Two or more authors: Siobhan Hughes and Brent Kendall, “AT&T Wins Approval to Buy Time Warner,” Wall Street Journal, June 12, 2018, https://www.wsj.com/articles/at-t-wins-approval-to-buy-time-warner-1528847249.

In-Text Citation: (Author’s last name Year of Publication: Page Number)

Example: (Smith 2010: 35)

Reference List Citation: Author’s last name First Initial. Title of Book. Edition. Place of publication: Publisher; Year of publication.

Example: Smith J. Biology: A Textbook. 2nd ed. New York: Oxford University Press; 2010.

Example: (Johnson 2014: 27)

Reference List Citation: Author’s last name First Initial. Title of Article. Abbreviated Title of Journal. Year of publication;Volume(Issue):Page Numbers.

Example: Johnson S. The role of dopamine in addiction. J Neurosci. 2014;34(8): 2262-2272.

Example: (Brown 2018: 10)

Reference List Citation: Author’s last name First Initial. Title of Paper. Paper presented at: Name of Conference; Date of Conference; Place of Conference.

Example: Brown R. The impact of social media on mental health. Paper presented at: Annual Meeting of the American Psychological Association; August 2018; San Francisco, CA.

Example: (World Health Organization 2020: para. 2)

Reference List Citation: Author’s last name First Initial. Title of Webpage. Name of Website. URL. Published date. Accessed date.

Example: World Health Organization. Coronavirus disease (COVID-19) pandemic. WHO website. https://www.who.int/emergencies/disease-coronavirus-2019. Updated August 17, 2020. Accessed September 5, 2021.

Example: (Smith 2019: para. 5)

Reference List Citation: Author’s last name First Initial. Title of Article. Title of Newspaper or Magazine. Year of publication; Month Day:Page Numbers.

Example: Smith K. New study finds link between exercise and mental health. The New York Times. 2019;May 20: A6.

Purpose of Research Paper Citation

The purpose of citing sources in a research paper is to give credit to the original authors and acknowledge their contribution to your work. By citing sources, you are also demonstrating the validity and reliability of your research by showing that you have consulted credible and authoritative sources. Citations help readers to locate the original sources that you have referenced and to verify the accuracy and credibility of your research. Additionally, citing sources is important for avoiding plagiarism, which is the act of presenting someone else’s work as your own. Proper citation also shows that you have conducted a thorough literature review and have used the existing research to inform your own work. Overall, citing sources is an essential aspect of academic writing and is necessary for building credibility, demonstrating research skills, and avoiding plagiarism.

Advantages of Research Paper Citation

There are several advantages of research paper citation, including:

• Giving credit: By citing the works of other researchers in your field, you are acknowledging their contribution and giving credit where it is due.
• Strengthening your argument: Citing relevant and reliable sources in your research paper can strengthen your argument and increase its credibility. It shows that you have done your due diligence and considered various perspectives before drawing your conclusions.
• Demonstrating familiarity with the literature : By citing various sources, you are demonstrating your familiarity with the existing literature in your field. This is important as it shows that you are well-informed about the topic and have done a thorough review of the available research.
• Providing a roadmap for further research: By citing relevant sources, you are providing a roadmap for further research on the topic. This can be helpful for future researchers who are interested in exploring the same or related issues.
• Building your own reputation: By citing the works of established researchers in your field, you can build your own reputation as a knowledgeable and informed scholar. This can be particularly helpful if you are early in your career and looking to establish yourself as an expert in your field.

About the author

Muhammad Hassan

Researcher, Academic Writer, Web developer

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• USC Libraries
• Research Guides

Organizing Your Social Sciences Research Paper

• 11. Citing Sources
• Purpose of Guide
• Design Flaws to Avoid
• Independent and Dependent Variables
• Glossary of Research Terms
• Reading Research Effectively
• Narrowing a Topic Idea
• Broadening a Topic Idea
• Extending the Timeliness of a Topic Idea
• Academic Writing Style
• Applying Critical Thinking
• Choosing a Title
• Making an Outline
• Paragraph Development
• Research Process Video Series
• Executive Summary
• The C.A.R.S. Model
• Background Information
• The Research Problem/Question
• Theoretical Framework
• Citation Tracking
• Content Alert Services
• Evaluating Sources
• Primary Sources
• Secondary Sources
• Tiertiary Sources
• Scholarly vs. Popular Publications
• Qualitative Methods
• Quantitative Methods
• Insiderness
• Using Non-Textual Elements
• Limitations of the Study
• Common Grammar Mistakes
• Writing Concisely
• Avoiding Plagiarism
• Footnotes or Endnotes?
• Further Readings
• Generative AI and Writing
• USC Libraries Tutorials and Other Guides
• Bibliography

A citation is a formal reference to a published or unpublished source that you consulted and obtained information from while writing your research paper. It refers to a source of information that supports a factual statement, proposition, argument, or assertion or any quoted text obtained from a book, article, web site, or any other type of material . In-text citations are embedded within the body of your paper and use a shorthand notation style that refers to a complete description of the item at the end of the paper. Materials cited at the end of a paper may be listed under the heading References, Sources, Works Cited, or Bibliography. Rules on how to properly cite a source depends on the writing style manual your professor wants you to use for the class [e.g., APA, MLA, Chicago, Turabian, etc.]. Note that some disciplines have their own citation rules [e.g., law].

Citations: Overview. OASIS Writing Center, Walden University; Research and Citation. The Writing Lab and The OWL. Purdue University; Citing Sources. University Writing Center, Texas A&M University.

Reasons for Citing Your Sources

Reasons for Citing Sources in Your Research Paper

English scientist, Sir Isaac Newton, once wrote, "If I have seen further, it is by standing on the shoulders of giants.”* Citations support learning how to "see further" through processes of intellectual discovery, critical thinking, and applying a deliberate method of navigating through the scholarly landscape by tracking how cited works are propagated by scholars over time and the subsequent ways this leads to the devarication of new knowledge.

Listed below are specific reasons why citing sources is an important part of doing good research.

• Shows the reader where to find more information . Citations help readers expand their understanding and knowledge about the issues being investigated. One of the most effective strategies for locating authoritative, relevant sources about a research problem is to review materials cited in studies published by other authors. In this way, the sources you cite help the reader identify where to go to examine the topic in more depth and detail.
• Increases your credibility as an author . Citations to the words, ideas, and arguments of scholars demonstrates that you have conducted a thorough review of the literature and, therefore, you are reporting your research results or proposing recommended courses of action from an informed and critically engaged perspective. Your citations offer evidence that you effectively contemplated, evaluated, and synthesized sources of information in relation to your conceptualization of the research problem.
• Illustrates the non-linear and contested nature of knowledge creation . The sources you cite show the reader how you characterized the dynamics of prior knowledge creation relevant to the research problem and how you managed to effectively identify the contested relationships between problems and solutions proposed among scholars. Citations don't just list materials used in your study, they tell a story about how prior knowledge-making emerged from a constant state of creation, renewal, and transformation.
• Reinforces your arguments . Sources cited in your paper provide the evidence that readers need to determine that you properly addressed the “So What?” question. This refers to whether you considered the relevance and significance of the research problem, its implications applied to creating new knowledge, and its importance for improving practice. In this way, citations draw attention to and support the legitimacy and originality of your own ideas and assertions.
• Demonstrates that you "listened" to relevant conversations among scholars before joining in . Your citations tell the reader where you developed an understanding of the debates among scholars. They show how you educated yourself about ongoing conversations taking place within relevant communities of researchers before inserting your own ideas and arguments. In peer-reviewed scholarship, most of these conversations emerge within books, research reports, journal articles, and other cited works.
• Delineates alternative approaches to explaining the research problem . If you disagree with prior research assumptions or you believe that a topic has been understudied or you find that there is a gap in how scholars have understood a problem, your citations serve as the source materials from which to analyze and present an alternative viewpoint or to assert that a different course of action should be pursued. In short, the materials you cite serve as the means by which to argue persuasively against long-standing assumptions promulgated in prior studies.
• Helps the reader understand contextual aspects of your research . Cited sources help readers understand the specific circumstances, conditions, and settings of the problem being investigated and, by extension, how your arguments can be fully understood and assessed. Citations place your line of reasoning within a specific contextualized framework based on how others have studied the problem and how you interpreted their findings in support of your overall research objectives.
• Frames the development of concepts and ideas within the literature . No topic in the social and behavioral sciences rests in isolation from research that has taken place in the past. Your citations help the reader understand the growth and transformation of the theoretical assumptions, key concepts, and systematic inquiries that emerged prior to your engagement with the research problem.
• Underscores sources that were most important to you . Your citations represent a set of choices made about what you determined to be the most important sources for understanding the topic. They not only list what you discovered, but why it matters and how the materials you chose to cite fit within the broader context of your research design and arguments. As part of an overall assessment of the study’s validity and reliability , the choices you make also helps the reader determine what research may have been excluded.
• Provides evidence of interdisciplinary thinking . An important principle of good research is to extend your review of the literature beyond the predominant disciplinary space where scholars have examined a topic. Citations provide evidence that you have integrated epistemological arguments, observations, and/or the methodological strategies from other disciplines into your paper, thereby demonstrating that you understand the complex, interconnected nature of contemporary research topics.
• Supports critical thinking and independent learning . Evaluating the authenticity, reliability, validity, and originality of prior research is an act of interpretation and introspective reasoning applied to assessing whether a source of information will contribute to understanding the problem in ways that are persuasive and align with your overall research objectives. Reviewing and citing prior studies represents a deliberate act of critically scrutinizing each source as part of your overall assessment of how scholars have confronted the research problem.
• Honors the achievements of others . As Susan Blum recently noted,** citations not only identify sources used, they acknowledge the achievements of scholars within the larger network of research about the topic. Citing sources is a normative act of professionalism within academe and a way to highlight and recognize the work of scholars who likely do not obtain any tangible benefits or monetary value from their research endeavors.

*Vernon. Jamie L. "On the Shoulder of Giants." American Scientist 105 (July-August 2017): 194.

**Blum, Susan D. "In Defense of the Morality of Citation.” Inside Higher Ed , January 29, 2024.

Aksnes, Dag W., Liv Langfeldt, and Paul Wouters. "Citations, Citation Indicators, and Research Quality: An Overview of Basic Concepts and Theories." Sage Open 9 (January-March 2019): https://doi.org/10.1177/2158244019829575; Blum, Susan Debra. My Word!: Plagiarism and College Culture . Ithaca, NY: Cornell University Press, 2009; Bretag, Tracey., editor. Handbook of Academic Integrity . Singapore: Springer Singapore, 2020; Ballenger, Bruce P. The Curious Researcher: A Guide to Writing Research Papers . 7th edition. Boston, MA: Pearson, 2012; D'Angelo, Barbara J. "Using Source Analysis to Promote Critical Thinking." Research Strategies 18 (Winter 2001): 303-309; Mauer, Barry and John Venecek. “Scholarship as Conversation.” Strategies for Conducting Literary Research, University of Central Florida, 2021; Why Cite? Poorvu Center for Teaching and Learning, Yale University; Citing Information. The Writing Center. University of North Carolina; Harvard Guide to Using Sources. Harvard College Writing Program. Harvard University; Newton, Philip. "Academic Integrity: A Quantitative Study of Confidence and Understanding in Students at the Start of Their Higher Education."  Assessment and Evaluation in Higher Education 41 (2016): 482-497; Referencing More Effectively. Academic Skills Centre. University of Canberra; Using Sources. Yale College Writing Center. Yale University; Vosburgh, Richard M. "Closing the Academic-practitioner Gap: Research Must Answer the “SO WHAT” Question." H uman Resource Management Review 32 (March 2022): 100633; When and Why to Cite Sources. Information Literacy Playlists, SUNY, Albany Libraries.

Structure and Writing Style

Referencing your sources means systematically showing what information or ideas you acquired from another author’s work, and identifying where that information come from . You must cite research in order to do research, but at the same time, you must delineate what are your original thoughts and ideas and what are the thoughts and ideas of others. Citations help achieve this. Procedures used to cite sources vary among different fields of study. If not outlined in your course syllabus or writing assignment, always speak with your professor about what writing style for citing sources should be used for the class because it is important to fully understand the citation style to be used in your paper, and to apply it consistently. If your professor defers and tells you to "choose whatever you want, just be consistent," then choose the citation style you are most familiar with or that is appropriate to your major [e.g., use Chicago style if you are majoring in history; use APA if its an education course; use MLA if it is literature or a general writing course].

GENERAL GUIDELINES

1. Are there any reasons I should avoid referencing other people's work? No. If placed in the proper context, r eferencing other people's research is never an indication that your work is substandard or lacks originality. In fact, the opposite is true. If you write your paper without adequate references to previous studies, you are signaling to the reader that you are not familiar with the literature on the topic, thereby, undermining the validity of your study and your credibility as a researcher. Including references in academic writing is one of the most important ways to demonstrate your knowledge and understanding of how the research problem has been addressed. It is the intellectual packaging around which you present your thoughts and ideas to the reader.

2. What should I do if I find out that my great idea has already been studied by another researcher? It can be frustrating to come up with what you believe is a great topic only to find that it's already been thoroughly studied. However, do not become frustrated by this. You can acknowledge the prior research by writing in the text of your paper [see also Smith, 2002], then citing the complete source in your list of references. Use the discovery of prior studies as an opportunity to demonstrate the significance of the problem being investigated and, if applicable, as a means of delineating your analysis from those of others [e.g., the prior study is ten years old and doesn't take into account new variables]. Strategies for responding to prior research can include: stating how your study updates previous understandings about the topic, offering a new or different perspective, applying a different or innovative method of data gathering, and/or describing a new set of insights, guidelines, recommendations, best practices, or working solutions.

3. What should I do if I want to use an adapted version of someone else's work? You still must cite the original work. For example, you use a table of statistics from a journal article published in 1996 by author Smith, but you have altered or added new data to it. Reference the revised chart, such as, [adapted from Smith, 1996], then cite the complete original source in your list of references. You can also use other terms in order to specify the exact relationship between the original source and the version you have presented, such as, "based on data from Smith [1996]...," or "summarized from Smith [1996]...." Citing the original source helps the reader locate where the information was first presented and under what context it was used as well as to evaluate how effectively you applied it to your own research.

4. What should I do if several authors have published very similar information or ideas? You can indicate that the topic, idea, concept, or information can be found in the works of others by stating something similar to the following example: "Though many scholars have applied rational choice theory to understanding economic relations among nations [Smith, 1989; Jones, 1991; Johnson, 1994; Anderson, 2003], little attention has been given to applying the theory to examining the influence of non-governmental organizations in a globalized economy." If you only reference one author or only the most recent study, then your readers may assume that only one author has published on this topic, or more likely, they will conclude that you have not conducted a thorough review of the literature. Referencing all relevant authors of prior studies gives your readers a clear idea of the breadth of analysis you conducted in preparing to study the research problem. If there has been a significant number of prior studies on the topic [i.e., ten or more], describe the most comprehensive and recent works because they will presumably discuss and reference the older studies. However, note in your review of the literature that there has been significant scholarship devoted to the topic so the reader knows that you are aware of the numerous prior studies.

5. What if I find exactly what I want to say in the writing of another researcher? In the social sciences, the rationale in duplicating prior research is generally governed by the passage of time, changing circumstances or conditions, or the emergence of variables that necessitate new investigations . If someone else has recently conducted a thorough investigation of precisely the same research problem that you intend to study, then you likely will have to revise your topic, or at the very least, review this literature to identify something new to say about the problem. However, if it is someone else's particularly succinct expression, but it fits perfectly with what you are trying to say, then you can quote from the author directly, referencing the source. Identifying an author who has made the exact same point that you want to make can be an opportunity to add legitimacy to, as well as reinforce the significance of, the research problem you are investigating. The key is to build on that idea in new and innovative ways. If you are not sure how to do this, consult with a librarian .

6. Should I cite a source even if it was published long ago? Any source used in writing your paper should be cited, regardless of when it was written. However, in building a case for understanding prior research about your topic, it is generally true that you should focus on citing more recently published studies because they presumably have built upon the research of older studies. When referencing prior studies, use the research problem as your guide when considering what to cite. If a study from forty years ago investigated the same topic, it probably should be examined and considered in your list of references because the research may have been foundational or groundbreaking at the time, even if its findings are no longer relevant to current conditions or reflect current thinking [one way to determine if a study is foundational or groundbreaking is to examine how often it has been cited in recent studies using the "Cited by" feature of Google Scholar ]. However, if an older study only relates to the research problem tangentially or it has not been cited in recent studies, then it may be more appropriate to list it under further readings .

7. Can I cite unusual and non-scholarly sources in my research paper? The majority of the citations in a research paper should be to scholarly [a.k.a., academic; peer-reviewed] studies that rely on an objective and logical analysis of the research problem based on empirical evidence that reliably supports your arguments. However, any type of source can be considered valid if it brings relevant understanding and clarity to the topic. This can include, for example, non-textual elements such as photographs, maps, or illustrations. A source can include materials from special or archival collections, such as, personal papers, manuscripts, business memorandums, the official records of an organization, or digitized collections. Citations can also be to unusual items, such as, an audio recording, a transcript from a television news program, a unique set of data, or a social media post. The challenge is knowing how to cite unusual and non-scholarly sources because they often do not fit within standard citation rules like books or journal articles. Given this, consult with a librarian if you are unsure how to cite a source.

NOTE:   In any academic writing, you are required to identify which ideas, facts, thoughts, concepts, or declarative statements are yours and which are derived from the research of others. The only exception to this rule is information that is considered to be a commonly known fact [e.g., "George Washington was the first president of the United States"] or a statement that is self-evident [e.g., "Australia is a country in the Global South"]. Appreciate, however, that any "commonly known fact" or self-evidencing statement is culturally constructed and shaped by specific social and aesthetical biases . If you have any doubt about whether or not a fact is considered to be widely understood knowledge, provide a supporting citation, or, ask your professor for clarification about whether the statement should be cited.

Ballenger, Bruce P. The Curious Researcher: A Guide to Writing Research Papers . 7th edition. Boston, MA: Pearson, 2012; Blum, Susan Debra. My Word!: Plagiarism and College Culture . Ithaca, NY: Cornell University Press, 2009; Bretag, Tracey., editor. Handbook of Academic Integrity . Singapore: Springer Singapore, 2020; Carlock, Janine. Developing Information Literacy Skills: A Guide to Finding, Evaluating, and Citing Sources . Ann Arbor, MI: University of Michigan Press, 2020; Harvard Guide to Using Sources. Harvard College Writing Program. Harvard University; How to Cite Other Sources in Your Paper. The Structure, Format, Content, and Style of a Journal-Style Scientific Paper. Department of Biology. Bates College; Lunsford, Andrea A. and Robert Connors; The St. Martin's Handbook . New York: St. Martin's Press, 1989; Mills, Elizabeth Shown. Evidence Explained: Citing History Sources from Artifacts to Cyberspace . 3rd edition. Baltimore, MD: Genealogical Publishing Company, 2015; Research and Citation Resources. The Writing Lab and The OWL. Purdue University; Writing Tutorial Services, Center for Innovative Teaching and Learning. Indiana University; Why Cite? Poorvu Center for Teaching and Learning, Yale Univeraity.

Other Citation Research Guides

The following USC Libraries research guide can help you properly cite sources in your research paper:

• Citation Guide

The following USC Libraries research guide offers basic information on using images and media in research:

Listed below are particularly well-done and comprehensive websites that provide specific examples of how to cite sources under different style guidelines.

• Purdue University Online Writing Lab
• Southern Cross University Harvard Referencing Style
• University of Wisconsin Writing Center

This is a useful guide concerning how to properly cite images in your research paper.

• Colgate Visual Resources Library, Citing Images

This guide provides good information on the act of citation analysis, whereby you count the number of times a published work is cited by other works in order to measure the impact of a publication or author.

Measuring Your Impact: Impact Factor, Citation Analysis, and other Metrics: Citation Analysis [Sandy De Groote, University of Illinois, Chicago]

Automatic Citation Generators

The links below lead to systems where you can type in your information and have a citation compiled for you. Note that these systems are not foolproof so it is important that you verify that the citation is correct and check your spelling, capitalization, etc. However, they can be useful in creating basic types of citations, particularly for online sources.

• BibMe -- APA, MLA, Chicago, and Turabian styles
• DocsCite -- for citing government publications in APA or MLA formats
• EasyBib -- APA, MLA, and Chicago styles
• Son of Citation Machine -- APA, MLA, Chicago, and Turabian styles

NOTE:   Many companies that create the research databases the USC Libraries subscribe to, such as ProQuest , include built-in citation generators that help take the guesswork out of how to properly cite a work. When available, you should always utilize these features because they not only generate a citation to the source [e.g., a journal article], but include information about where you accessed the source [e.g., the database].

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• Next: Avoiding Plagiarism >>
• Last Updated: May 30, 2024 9:38 AM
• URL: https://libguides.usc.edu/writingguide

• MJC Library & Learning Center
• Research Guides

Format Your Paper & Cite Your Sources

• Harvard Style
• Citing Sources
• Avoid Plagiarism
• MLA Style (8th/9th ed.)
• APA Style, 7th Edition
• Chicago Style

What is Harvard Style?

What you need to know, harvard style tutorial.

• Other Styles
• Annotated Bibliographies
• How to Create an Attribution

Harvard Style

The Harvard referencing system is known as the Author-Date style . It emphasizes the name of the creator of a piece of information and the date of publication, with the list of references in alphabetical order at the end of your paper.

Unlike other citation styles, there is no single, definitive version of Harvard Style. Therefore, you may see a variation in features such as punctuation, capitalization, abbreviations, and the use of italics. 

Always check with your instructor and follow the rules he or she gives you.

• Harvard Style Guidelines Your class handout
• Harvard Referencing Quick Guide From Staffordshire University

Harvard Style will affect your paper in two places:

• In-text citations in the body of your paper, and
• The reference list at the end of your paper
• All in-text citations should be listed in the reference list at the end of your paper.
• Reference list entries need to contain all the information that someone reading your paper would need in order to find your source.
• Reference lists in Harvard Style are arranged alphabetically by first author.
• Begin your Reference list on a new page after your text and number it consecutively.

Sample References List:

Click on the Links Below to See Additional Examples:

• Sample Paper Paper provided by Kurt Olson
• Harvard Citation Examples Document created by The University of Western Australia

Click on the image below to launch this tutorial that was created by the University of Leeds. The section on Citing in Text is especially useful.

• << Previous: Chicago Style
• Next: Other Styles >>
• Last Updated: May 1, 2024 2:04 PM
• URL: https://libguides.mjc.edu/citeyoursources

Except where otherwise noted, this work is licensed under CC BY-SA 4.0 and CC BY-NC 4.0 Licenses .

Organizing Academic Research Papers: 11. Citing Sources

• Purpose of Guide
• Design Flaws to Avoid
• Glossary of Research Terms
• Narrowing a Topic Idea
• Broadening a Topic Idea
• Extending the Timeliness of a Topic Idea
• Academic Writing Style
• Choosing a Title
• Making an Outline
• Paragraph Development
• Executive Summary
• Background Information
• The Research Problem/Question
• Theoretical Framework
• Citation Tracking
• Content Alert Services
• Evaluating Sources
• Primary Sources
• Secondary Sources
• Tertiary Sources
• What Is Scholarly vs. Popular?
• Qualitative Methods
• Quantitative Methods
• Using Non-Textual Elements
• Limitations of the Study
• Common Grammar Mistakes
• Avoiding Plagiarism
• Footnotes or Endnotes?
• Further Readings
• Annotated Bibliography
• Dealing with Nervousness
• Using Visual Aids
• Grading Someone Else's Paper
• How to Manage Group Projects
• Multiple Book Review Essay
• Reviewing Collected Essays
• About Informed Consent
• Writing Field Notes
• Writing a Policy Memo
• Writing a Research Proposal
• Acknowledgements

A citation is a reference to a published or unpublished source that you consulted and obtained information from while writing your research paper. The way in which you document your sources depends on the writing style manual your professor wants you to use for the class [e.g., APA, MLA, Chicago, Turabian, etc.]. Note that some disciplines have their own citation method [e.g., law].

Importance of a Citing your Sources

Citations show your readers where you obtained your material, provides a means of critiquing your study, and offers the opportunity to obtain additional information about the research problem under investigation.

Properly citing the works of others is important because:

• Proper citation allows others to locate the materials you used . Citations to other sources helps readers expand their knowledge on a topic. In some disciplines, one of the most effective strategies for locating authoritative, relevant sources is to follow footnotes or references from known sources ["citation tracking"].
• Citing other people's words and ideas indicates that you have conducted thorough review of the literature on your topic and, therefore, you are operating from an informed perspective. This increases your credibility as the author of the work.
• Other researcher's ideas can be used to reinforce your arguments , or, if you disagree with them, can act as positions from which to argue an alternative viewpoint. In many cases, another researcher's arguments can act as the primary context from which you can emphasize a different viewpoint or to clarify the importance of what you are proposing.
• Ju st as other researcher's ideas can bolster your arguments and act as evidence for your ideas, they can also detract from your credibility if they are found to be mistaken or fabricated . Properly citing information not unique to you prevents your reputation from being tarnished if the facts or ideas of others are proven to be inaccurate or off-base.
• Outside academe, ideas are considered intellectual property and there can serious repercussions if you fail to cite where you got an idea from . In the professional world, failure to cite other people's intellectual property ruins careers and reputations and can result in legal action. Given this, it is important to get into the habit of citing sources.

In any academic writing, you are required to identify for your reader which ideas, facts, theories, concepts, etc., are yours and which are derived from the research and thoughts of others. Whether you summarize, paraphrase, or use direct quotes, if it's not your original idea, the source needs to be acknowledged. The only exception to this rule is information that is considered to be common knowledge [e.g., George Washington was the first president of the United States]. If in doubt regarding whether something is common knowledge, take the safe route and cite it, or ask your professor for clarification.

Citing Information . The Writing Center. University of North Carolina; Referencing More Effectively. Academic Skills Centre. University of Canberra.

Structure and Writing Style

Referencing your sources means systematically showing what information or ideas you are quoting or paraphrasing from another author’s work, and where they come from . You must cite research in order to do research, but at the same time, you must indicate what are your original thoughts and ideas and what are the thoughts and ideas of others. Systems used to reference the sources you've used vary among different fields of study. However, always speak with your professor about what writing style for citing sources should be used for the class because it is important to fully understand the citation style to be used in your paper, and to apply it consistently.

GENERAL GUIDELINES

• Should I avoid referencing other people's work?  No! Referencing other people's work is never an indication that your work is poor or lacks originality if placed in the proper context. In fact, the opposite is true. If you write your paper with no references to previous research, you are indicating to the reader that you are not familiar with the research that has already been done, thereby undermining your credibility as an author and the validity of your research. Including references in academic writing is a way of demonstrating your knowledge of pertinent literature about the research problem.
• What should I do if I find that my idea has already been published by another researcher?  Acknowledge the other researcher's work by writing in your reference something like this: [see also Smith, 2002]. Do not ignore another author's work because doing so will lead your readers to believe that you have either taken the idea or information without properly referencing it [this is plagiarism] or that you have failed to conduct a thorough review of the literature in your field.
• What should I do if I want to use an adapted version of someone else's work?  You still must cite the original work. For example, maybe you are using a table of statistics from a journal article published in 1996 by author Smith, but you have altered or added new data to it. Reference the revised chart as: [adapted from Smith, 1996]. You can also use other terms in order to specify the exact relationship between the source and the version you have presented, such as, based on Smith [1996], summarized from Smith  [1996], etc.
• What should I do if several authors have published very similar information or ideas?  You can indicate that the idea or information can be found in the work of more than one author, by stating something like: "Though in fact many authors have applied this theory to understanding economic relations among nations [for example, Smith, 1989; Jones, 19991; Johnson, 1994], little work has been done on applying it to understand the actions of non-governmental organizations." If you only reference one author, then your readers may assume that only one author has published on this topic, or, conclude that you have not read the literature thoroughly knowing that others have published research in this area. Referencing multiple authors indicates to your readers a clear idea of the breadth of analysis you conducted about the research problem, not a distorted or incomplete one.
• What if I find exactly what I want to say in the writing of another researcher?  It depends on what it is; if someone else has investigated precisely the same research problem as you, then you likely will have to change your topic, or at the very least, find something new to say about what you're researching. However, if it is someone else's particularly succinct expression, but it fits perfectly with what you are trying to say, then you can quote directly, citing the page reference as well as the author and year of publication. Finding someone else who has stated or made the same point that you have is an opportunity to reinforce your own interpretation of the research problem.

How to Cite Other Sources in Your Paper . The Structure, Format, Content, and Style of a Journal-Style Scientific Paper. Department of Biology. Bates College; Lunsford, Andrea A. and Robert Connors; The St. Martin's Handbook. New York: St. Martin's Press, 1989; Research and Citation Resources . The Writing Lab and The OWL. Purdue University; Using Evidence. Writing Tutorial Services, Center for Innovative Teaching and Learning. Indiana University.  

Citation Research Guides

SHU Library has a collection of Quick Guides to help you cite your sources. They are all available on our Citation Style Guides page.

Listed below are particularly well-done and comprehensive websites that provide specific examples of how to cite sources under different style guidelines.

• Purdue University Online Writing Lab
• University of Wisconsin Writing Center

Automatic Citation Generators

Type in your information and have a citation compiled for you. Note that these are not foolproof systems so it is important that you verify that your citation is correct and check your spelling, capitalization, etc. However, they can be useful in creating basic types of citations, particularly for online sources.

• BibMe -- APA, MLA, Chicago, and Turabian styles
• DocsCite -- for citing government publications in APA or MLA formats
• EasyBib -- MLA style
• KnightCite -- APA, MLA, and Chicago styles
• Son of Citation Machine -- APA, MLA, Chicago, and Turabian styles

Most databases provide some kind of automatically generated citations for the major citation styles. Here is a video explaining how to find the citation feature in an EBSCO database. 

• Research 911: Citations (printable tutorial)
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• Citing Sources

Citing Sources: What are citations and why should I use them?

What is a citation.

Citations are a way of giving credit when certain material in your work came from another source. It also gives your readers the information necessary to find that source again-- it provides an important roadmap to your research process. Whenever you use sources such as books, journals or websites in your research, you must give credit to the original author by citing the source. 

Why do researchers cite?

Scholarship is a conversation  and scholars use citations not only to  give credit  to original creators and thinkers, but also to  add strength and authority  to their own work.  By citing their sources, scholars are  placing their work in a specific context  to show where they “fit” within the larger conversation.  Citations are also a great way to  leave a trail  intended to help others who may want to explore the conversation or use the sources in their own work.

In short, citations

(1) give credit

(2) add strength and authority to your work

(3) place your work in a specific context

(4) leave a trail for other scholars

"Good citations should reveal your sources, not conceal them. They should honeslty reflect the research you conducted." (Lipson 4)

Lipson, Charles. "Why Cite?"  Cite Right: A Quick Guide to Citation Styles--MLA, APA, Chicago, the Sciences, Professions, and More . Chicago: U of Chicago, 2006. Print.

What does a citation look like?

Different subject disciplines call for citation information to be written in very specific order, capitalization, and punctuation. There are therefore many different style formats. Three popular citation formats are MLA Style (for humanities articles) and APA or Chicago (for social sciences articles).

MLA style (print journal article):  

Whisenant, Warren A. "How Women Have Fared as Interscholastic Athletic Administrators Since the Passage of Title IX." Sex Roles Vol. 49.3 (2003): 179-182.

APA style (print journal article):

Whisenant, W. A. (2003) How Women Have Fared as Interscholastic Athletic Administrators Since the Passage of Title IX. Sex Roles , 49 (3), 179-182.

Chicago style (print journal article):

Whisenant, Warren A. "How Women Have Fared as Interscholastic Athletic Administrators Since the Passage of Title IX." Sex Roles 49, no. 3 (2003): 179-182.

No matter which style you use, all citations require the same basic information:

• Author or Creator
• Container (e.g., Journal or magazine, website, edited book)
• Date of creation or publication
• Publisher 

You are most likely to have easy access to all of your citation information when you find it in the first place. Take note of this information up front, and it will be much easier to cite it effectively later.

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How To Cite Sources: In-depth Guide

Did you know that, on average, college students spend over 12 hours a week researching and writing essays? It's a considerable investment of time and energy, and the quality of your work can greatly impact your academic success. One of the critical aspects of crafting top-notch essays is the art of citing sources correctly. Whether you're in the world of psychology (APA), humanities (MLA), or history (Chicago), understanding and navigating the citation styles relevant to your field is a must.

In this comprehensive article, our college essay writing service will delve deep into the world of academic writing and the crucial role that proper source citation plays in your success. Explore the intricacies of citing sources in APA, MLA, and Chicago styles as we provide detailed guidance, real-world citing sources examples, and practical insights. Discover the nuances of citing multiple sources in one sentence, using citation generators, and citing primary sources. Additionally, we'll conduct a comparative analysis of these citation styles to help you choose the right one for your research papers. By the end of this journey, you'll be well-versed in the art of source citation and ready to elevate your academic writing to the next level.

When to Source Sources in Academic Writing?

In the realm of academic writing, citing sources accurately is far more than a mere formality; it's an ethical responsibility and a testament to the integrity of your work. Proper source citation serves as the foundation of scholarly discourse, ensuring transparency, credibility, and respect for intellectual property. By crediting the authors and researchers who've paved the way, you acknowledge the collective knowledge of your field.

Interestingly, a study by the International Journal of Educational Integrity found that improper citation practices are a leading cause of plagiarism, a serious offense in academia. In fact, plagiarism-detection software like Turnitin is now widely used to uphold academic integrity. This is where the convenience of citing sources generators becomes apparent, helping students and researchers ensure proper attribution while streamlining the citation process, whether they're citing sources in Chicago style or other formats.

Moreover, accurate citations, including a parenthetical citation, allow readers to trace your sources, verify your claims, and engage in meaningful discussions. They act as a bridge between your work and the wealth of research that precedes it. In essence, mastering the art of source citation is not just about compliance with formatting rules; it's about participating in a respectful and dynamic conversation within your academic community while giving due credit to the sources, particularly when citing primary sources, that have contributed to the intellectual growth of your field.

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APA Citation Style Basics

American Psychological Association (APA) style is a widely used and meticulously structured citation format primarily designed for disciplines in the social sciences. Understanding the fundamentals of APA format citing sources is vital for any student or researcher in psychology, sociology, education, and related fields. Here are some key insights into the world of APA citations from our ‘ do my paper ’ experts:

• In-text Citations with Precision : In APA style, in-text citations are concise and informative. For instance, consider this sentence: 'The impact of climate change on coastal ecosystems is a growing concern (Johnson, 2018).' In this case, 'Johnson' is the author's last name, and '2018' is the publication year. This format allows readers to quickly identify and locate the source in the reference list (Johnson, 2018).
• The Role of the Reference List : The reference list in APA style is like the treasure trove of your sources. It's a comprehensive list of all the materials you've cited in your work. For example, a reference entry for a journal article would look like this: Johnson, S. (2018). Climate Change Effects on Coastal Biodiversity . Environmental Studies, 36 (3), 255-269.
• DOI and Electronic Sources : In the digital age, many sources are found online, which is why APA has introduced the Digital Object Identifier (DOI) system. For instance, an APA citation for an online journal article with a DOI might look like this: Smith, P. (2021). Renewable Energy Solutions for Sustainable Future . Environmental Science Review, 45 (2), 101-120. https://doi.org/10.12345/esr.2021.2.101
• Citing Multiple Sources in One Sentence APA : APA rules for citing multiple sources in a single sentence are clear and practical. Consider this example for citing two sources in one sentence APA: 'Several studies (Smith, 2021; Johnson, 2018) have highlighted the urgency of addressing climate change's impact on coastal ecosystems.' Here, both sources are listed chronologically, creating a seamless flow of information in your text.
• The Power of Consistency : Consistency is a cornerstone of APA style. From the formatting of headings (e.g., Level 1, Level 2) to the use of italics for titles and the ordering of elements in a reference entry, adhering to the APA guidelines ensures your work looks polished and professional.
• Evolving Rules : As research methods and publishing practices evolve, so do citation styles. It's essential to stay updated with the latest APA publication manual as they adapt to the changing landscape of academic communication (American Psychological Association, 2020).

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MLA Citation Style Basics

The Modern Language Association (MLA) citation style is the hallmark of academic writing in the humanities, literature, and related fields. It's known for its simplicity, elegance, and focus on clarity. Here's a concise guide from our argumentative essay writing service to help you navigate the intricacies of MLA format citing sources:

• In-text Citations with Author-Page Format : Citing sources MLA style primarily uses a simple author-page format for in-text citations. For example, 'In his renowned work, Shakespeare explores themes of love and fate (Smith 45).' Here, 'Smith' is the author's last name, and '45' is the page number. This format allows readers to locate the corresponding entry in the Works Cited page.
• The Works Cited Page : The Works Cited page is the heart of MLA citation. It's a detailed list of all the sources you've referenced in your paper. Each entry follows a specific format, including the author's name, source title, publication information, and more.
• Citing Digital and Print Sources : MLA is adaptable to both digital and print sources. For a print book, an MLA citation would look like this: Smith, John. The Art of Writing . Random House, 2020. For an online article, you might format it as follows: Johnson, Sarah. 'The Digital Literary Landscape.' Digital Humanities Review , vol. 28, no. 3, 2021, www.example.com/dhr/28-3/johnson.
• Citing Multiple Works by the Same Author : When citing multiple works by the same author, use a shortened version of the title to differentiate them. For instance, (Smith, Art of Writing 34) and (Smith, 'Literary Exploration' 18).
• The Importance of Punctuation and Formatting : Proper punctuation and formatting are essential in MLA citation. Pay attention to italics for titles, quotation marks for short works, and the correct use of commas, periods, and colons.
• Evolving Guidelines : MLA citing sources guidelines are known for evolving with technology and research methods. Staying up-to-date with the latest MLA handbook is crucial to ensure your citations align with current standards.

Chicago Citation Style Basics

The Chicago citation style, often used in history, arts, and social sciences, is a versatile and comprehensive system known for its flexibility and depth. Here's a guide to help you embrace the intricacies of Chicago citation:

• Two Distinct Documentation Systems : Chicago offers two documentation systems: the Notes and Bibliography system (commonly used in history and the humanities) and the Author-Date system (preferred in the social sciences). Understanding which system your discipline employs is crucial.
• Footnotes and Endnotes : In the Notes and Bibliography system, footnotes or endnotes are used to cite sources within the text. For example, 'The Industrial Revolution transformed society in profound ways. [1]' The corresponding note at the bottom of the page or end of the chapter provides full citation details.
• Bibliography or Reference List : In Chicago, both systems require a comprehensive bibliography at the end of your work, which lists all the sources you've cited. Each entry should include elements like the author's name, title, publisher, and publication date.
• Citing primary sources Chicago style : Chicago is particularly celebrated for its approach to citing primary sources, such as archival documents, letters, and manuscripts. It demands specific details about the source's origin, location, and access date, ensuring a comprehensive record.
• Citing Multiple Sources in One Footnote Chicago : When citing multiple sources in one footnote, list them in chronological order, separated by semicolons. For example, 'The 19th century saw significant advancements in technology and communication.[1];[2].'
• The Emphasis on Publication Details : Chicago places a strong emphasis on providing extensive publication information for each source cited. This includes details like the place of publication and specific page numbers in the case of print sources.
• Evolving Standards : Just like other citation styles, Chicago's guidelines evolve over time to accommodate changes in research practices. Staying informed about the latest Chicago Manual of Style editions is essential for accurate citations.

APA vs. MLA vs. Chicago: Key Similarities and Differences

Citation styles play a pivotal role in academic writing, helping maintain consistency, credibility, and clarity in scholarly work. Among the most widely used styles are APA (American Psychological Association), MLA (Modern Language Association), and Chicago. Let's explore the key similarities and differences between these three major citation styles.

Similarities:

• In-text Citations : All three styles use in-text citations to acknowledge the sources of information. In-text citations allow readers to identify the corresponding entry in the reference list or bibliography.
• Reference Lists or Bibliographies : APA, MLA, and Chicago all require a list of references, works cited, or a bibliography at the end of the document. These lists provide complete details about the sources cited in the text.
• Author and Publication Year : Both APA and MLA styles include the author's last name and the publication year within in-text citations. This allows readers to easily locate the source in the reference list.
• Digital Object Identifiers (DOIs) : APA and MLA provide guidelines for citing sources with DOIs, ensuring the accuracy and stability of online references.

Differences:

Disciplines and Focus:

• APA is primarily used in the social sciences, including psychology, sociology, and education, with a focus on empirical research and concise, structured writing.
• MLA is widely employed in humanities disciplines, such as literature and language studies, emphasizing the analysis of literary and cultural texts.
• Citing sources Chicago style is versatile, used in history, arts, and social sciences, offering both Notes and Bibliography and Author-Date systems to accommodate different research needs.

In-text Citation Styles:

• APA uses an author-date format, e.g., (Smith, 2020), for in-text citations.
• MLA uses an author-page format, e.g., (Smith 45), for in-text citations.
• Chicago uses footnotes or endnotes, which provide full citations in superscript numbers within the text and often a bibliographic entry at the bottom of the page or the end of a chapter.

Reference List/Bibliography Format:

• APA organizes the reference list alphabetically by the author's last name, followed by the publication date.
• MLA arranges the works cited list alphabetically by the author's last name and, if there is no author, by the title.
• Chicago's Notes and Bibliography system uses footnotes or endnotes for citations and a bibliography, while the Author-Date system includes an alphabetically-arranged reference list.

Handling Multiple Sources in One Citation:

• APA typically lists multiple sources in one in-text citation using semicolons, e.g., (Smith, 2020; Johnson, 2019).
• MLA uses commas to separate multiple sources within one in-text citation, e.g., (Smith 45, Johnson 22).
• Chicago usually utilizes footnotes or endnotes to cite multiple sources, each source marked with a superscript number in the text.

Citing Page Numbers:

• In APA and MLA, page numbers are often included in in-text citations for direct quotations, e.g., (Smith, 2020, p. 25) or (Smith 25).
• Chicago uses footnotes or endnotes to include page numbers for direct quotations within the text itself.

Final Thoughts

In conclusion, mastering the nuances of APA, MLA, and Chicago citation styles, including the specific requirements for citing primary sources, is an invaluable skill for academic success. It will also be a helpful guide as you explore how to write a college admission essay . These styles empower you to engage in scholarly conversation while maintaining the integrity of your research. Choose the one that best aligns with your field and project, and remember that accurate citation not only upholds academic standards but also showcases your commitment to excellence in your work.

• updated headings.

This paper is in the following e-collection/theme issue:

Published on 31.5.2024 in Vol 26 (2024)

Evaluation and Comparison of Academic Impact and Disruptive Innovation Level of Medical Journals: Bibliometric Analysis and Disruptive Evaluation

Authors of this article:

Original Paper

• Yuyan Jiang 1 , MPhil   ; 
• Xue-li Liu 1, 2 , BM   ; 
• Zixuan Zhang 1 , MPhil   ; 
• Xinru Yang 1 , MPhil  

1 Henan Research Center for Science Journals, Xinxiang Medical University, Xinxiang, China

2 Faculty of Humanities & Social Sciences, Xinxiang Medical University, Xinxiang, China

Corresponding Author:

Xue-li Liu, BM

Faculty of Humanities & Social Sciences

Xinxiang Medical University

Library and Information Building, 2nd Fl.

No. 601, Jinsui Avenue, Hongqi District

Xinxiang, 450003

Phone: 86 1 383 736 0965

Email: [email protected]

Background: As an important platform for researchers to present their academic findings, medical journals have a close relationship between their evaluation orientation and the value orientation of their published research results. However, the differences between the academic impact and level of disruptive innovation of medical journals have not been examined by any study yet.

Objective: This study aims to compare the relationships and differences between the academic impact, disruptive innovation levels, and peer review results of medical journals and published research papers. We also analyzed the similarities and differences in the impact evaluations, disruptive innovations, and peer reviews for different types of medical research papers and the underlying reasons.

Methods: The general and internal medicine Science Citation Index Expanded (SCIE) journals in 2018 were chosen as the study object to explore the differences in the academic impact and level of disruptive innovation of medical journals based on the OpenCitations Index of PubMed open PMID-to-PMID citations (POCI) and H1Connect databases, respectively, and we compared them with the results of peer review.

Results: First, the correlation coefficients of the Journal Disruption Index (JDI) with the Journal Cumulative Citation for 5 years (JCC 5 ), Journal Impact Factor (JIF), and Journal Citation Indicator (JCI) were 0.677, 0.585, and 0.621, respectively. The correlation coefficient of the absolute disruption index (Dz) with the Cumulative Citation for 5 years (CC 5 ) was 0.635. However, the average difference in the disruptive innovation and academic influence rankings of journals reached 20 places (about 17.5%). The average difference in the disruptive innovation and influence rankings of research papers reached about 2700 places (about 17.7%). The differences reflect the essential difference between the two evaluation systems. Second, the top 7 journals selected based on JDI, JCC 5 , JIF, and JCI were the same, and all of them were H-journals. Although 8 (8/15, 53%), 96 (96/150, 64%), and 880 (880/1500, 58.67%) of the top 0.1%, top 1%, and top 10% papers selected based on Dz and CC 5 , respectively, were the same. Third, research papers with the “changes clinical practice” tag showed only moderate innovation (4.96) and impact (241.67) levels but had high levels of peer-reviewed recognition (6.00) and attention (2.83).

Conclusions: The results of the study show that research evaluation based on innovative indicators is detached from the traditional impact evaluation system. The 3 evaluation systems (impact evaluation, disruptive innovation evaluation, and peer review) only have high consistency for authoritative journals and top papers. Neither a single impact indicator nor an innovative indicator can directly reflect the impact of medical research for clinical practice. How to establish an integrated, comprehensive, scientific, and reasonable journal evaluation system to improve the existing evaluation system of medical journals still needs further research.

Introduction

Scientific and technical journals play a crucial role in showcasing research findings, and the value orientation of their published results is closely intertwined with their evaluation orientation. However, since Garfield [ 1 ] put forward the idea that “citation analysis can be used as an evaluation tool for journals” in 1972, the evaluation system of journals based on academic impact has become mainstream. However, relying too much on impact indicators for evaluation may hurt academic research and discipline progress.

On the one hand, some scholars have long pointed out that ranking journals according to their impact factors is noncomprehensive and may lead to misleading conclusions [ 2 , 3 ]. Meanwhile, many academic journals and publishers have engaged in strategic self-citation, leading to an overinflated journal impact factor (JIF) [ 4 ]. Some editorial behaviors to enhance the JIF clearly violate academic norms [ 5 ]. Some scholars are overciting each other’s work to enhance their academic impact [ 6 ]. External contingencies can have a devastating effect on citation indicators [ 7 ]. Scientists themselves also present a mixed attitude toward impact factors [ 8 ].

On the other hand, despite all the benefits of increased academic impact to journals, there is a nonnegligible problem in the evaluation of journals that citation indicators essentially characterize the impact of journals rather than their disruptive innovation [ 9 ]. Relevant studies have confirmed that the level of disruptive innovation of scientific research is getting increasingly lower [ 10 ] and the progress in various disciplines is slowing [ 11 ]. This is often overlooked against the background of impact-only evaluations. Therefore, despite the urgent need for disruptive innovations in science [ 12 ], impact-based journal rankings have made it more difficult to accept novel results [ 13 ], replacing the “taste of science” with the “taste of publication” [ 14 ] in the actual environment.

The evaluation of academic journals is about not only the journals themselves [ 15 ] but also the wide use of the evaluation results in academic review, promotion, and tenure decisions [ 16 ]. Meanwhile, the quality and results of medical research are directly related to human health and life and have a direct impact on human health and well-being. Therefore, the general and internal medicine journals indexed in Science Citation Index Expanded (SCIE) in 2018 were chosen as the study object. The OpenCitations Index of PubMed open PMID-to-PMID citations (POCI) and H1 Connect databases were selected as the sources for citation relationship data and peer review data. We investigated the connections and contrasts between the academic impact, disruptive innovation level, and results of peer review for medical journals and published research papers. We also analyzed the similarities and differences as well as the fundamental causes of the varying evaluation results in terms of impact evaluation, disruptive innovation, and peer review for various types of medical research papers. We aimed to provide a reference for the correct understanding of the innovation level of the results published by journals; the scientific and reasonable evaluation of medical journals; and the construction of a scientific, objective, and fair academic evaluation system.

Research Object

Because there is basically no disruptive innovation in the review literature, this paper only focuses on the general and internal medicine journals indexed in SCIE in 2018 and the research papers involved. In addition, considering the computational efficiency, accuracy, and difficulty of data acquisition, research papers for which citation relationships in the aforementioned journals were not included in POCI and the journals with too few references (less than 10) were excluded. Finally, 114 journals were retained at the journal level, and 15,206 research papers were retained at the paper level.

Data Resource

The data acquired in this study included journal information, literature information, citation relationship data, and peer review data. The data were obtained through the Journal Citation Reports (JCR), Web of Science (WoS), POCI, and H1 Connect databases.

Of these databases, POCI is a Resource Description Framework (RDF) data set containing details of all the citations from publications bearing PMIDs to other PMID-identified publications harvested from the National Institutes of Health Open Citations Collection. POCI covers more than 29 million bibliographic resources and more than 717 million citation links (as of the last update in January 2023). Citations in POCI are not considered simple links but as data entities. This means that it is permissible to assign descriptive attributes to each citation, such as the date of creation of the citation, its time span, and its type [ 17 ].

H1 Connect (formerly Faculty Opinions), the world’s most authoritative peer review database in the biomedical field, incorporates the combined efforts of more than 8000 international authoritative experts from around the globe and is a knowledge discovery tool used to evaluate published research. H1 Connect’s reviewers are authoritative experts in the life sciences and medical fields. They provide commentary, opinions, and validation of key papers in their own field. The quality and rigor of the reviewers mean that researchers can be assured of the quality of the papers they recommend, and H1 Connect brings these recommendations together to recommend high-quality research to a wider audience. H1 Connect’s experts typically evaluate the “high level” of research literature in the field within 2 months of publication, with over 90% of recommendations made within 6 months of publication.

Data Acquisition and Processing

The data acquired for this study consisted of 3 parts. The specific steps for data acquisition and processing were (1) data acquisition and (2) data processing.

Data Acquisition

The steps taken to acquire the data included the following: log in to JCR; select Medicine, General & Internal in the “Browse categories” page; select JCR Year=2018 and Citation Indexes=SCIE in the filters; export the result to XLS format; according to the acquired journal title, select the publication year as 2018 and the literature type as Article to search the WoS core database; and export the full record of the journal literature in XLS format. Finally, we downloaded the related H1 Connect literature data and POCI data according to the list of journals.

Data Processing

To process the data, we undertook the following steps: use Navicat to import the full record of research papers into the local SQLite database, process the downloaded POCI data, extract the PMID numbers of all the focus papers from the full record, retrieve the references and citations of the focus papers as well as the citations of the references of the focus papers in the local database transformed based on the POCI data, and establish the relevant data tables for the subsequent calculations.

Evaluation Indicators

Innovation indicators.

Some researchers have observed, at an early stage, that some technological innovations complete and improve current technologies without replacing them while others outright eliminate technologies that were used in the past. However, for a long time, scholars did not analyze and explain the essence of this phenomenon. It was not until 1986 that Tushman and Anderson [ 18 ] summarized the phenomenon as follows: There are 2 types of major technological shifts that disrupt or enhance the capabilities of existing firms in an industry. However, Christensen [ 19 ], a professor at Harvard Business School in the United States, argued that disruptive innovations are new technologies that replace existing mainstream technologies in unexpected ways. Building on these views, Funk and Owen-Smith [ 20 ] provided deeper and more insightful insights. They argued that the dichotomy between disruptive and augmentative technologies lacks nuance and that the impact of new technologies on the status quo is a matter of degree rather than absolute impact.

In this regard, Govindarajan and Kopalle [ 21 ] also pointed out that disruptive innovation lacks reliable and valid measurement standards. Therefore, Funk and Owen-Smith [ 20 ] created the consolidation-disruption (CD) index, which aims to quantify the degree of technological change brought about by new patents. The index drew the attention of Wu et al [ 22 ], who analogized the basic principle of the CD index to measure disruption by calculating the citation substitution of the focus paper in the citation network and who were the first to apply the evaluation of disruptive innovation to the world of bibliometrics.

As an important carrier of academic results, it is important to evaluate papers quantitatively, rationally, and efficiently in terms of their innovation [ 23 ]. The disruption (D) index has received widespread attention after it was proposed by Wu et al [ 22 ]. A subset of scholars then explored disruptive papers in specific subject areas, including scientometrics [ 24 ], craniofacial surgery [ 25 ], pediatric surgery [ 26 ], synthetic biology [ 27 ], energy security [ 28 ], colorectal surgery [ 29 ], otolaryngology [ 30 ], military trauma [ 31 ], breast cancer [ 32 ], radiology [ 33 ], ophthalmology [ 34 ], plastic surgery [ 35 ], urology [ 36 ], and general surgery [ 37 ], based on the D index. Park et al [ 10 ] also analyzed the annual dynamics of the disruption level of papers and patents across the subject areas.

Another group of scholars conducted in-depth research on the index itself: Bornmann et al [ 38 ] explored the convergent validity of the index and the variants that may enhance the effectiveness of the measure and tested the validity of the D index based on the literature in the field of physics [ 39 ]. Ruan et al [ 40 ] provided an in-depth reflection on the limitations of the application of the D index as a measure of scientific and technological progress. Liu et al [ 41 , 42 ] empirically investigated the stabilization time window of the D index in different subject areas and addressed the mathematical inconsistency of the traditional D index and proposed an absolute disruption index (Dz; as in Equation 2) [ 43 ].

This series of studies has made it possible to evaluate the disruption of research papers based on the D index, which has gradually matured. On this basis, Jiang and Liu [ 44 ] proposed the Journal Disruption Index (JDI) to evaluate the disruptive innovation level of journals (as in Equation 3) and validated the evaluation effect of this indicator based on Chinese SCIE journals [ 45 ].

In Equations 1, 2, and 3, N F refers to the literature that only cites the focus paper (FP), N B refers to the literature that cites both the focus paper and at least one reference (R) of the focus paper, and N R refers to the literature that only cites at least one reference (R) of the focus paper but not the focus paper. n is the number of “Article” type pieces of literature contained in the journal, and Dz i is the Dz of the i th article in the journal.

In this study, Dz and JDI were chosen to evaluate the disruption of the selected studies at the literature and journal levels, respectively. Bornmann and Tekles [ 46 ] argued that 3 years is necessary regardless of the measurement for that discipline. Considering that, in the determination of the stabilization time window of the D index for each discipline conducted by Liu et al [ 42 ], the stabilization time window for clinical medicine is 4 years after publication. Therefore, in the process of calculating Dz in this paper, the citation time window of the focus papers was set to 2018 to 2022 to ensure the validity of the results. In addition, because the JDI value was too small, we multiplied the JDI by 1000 in all subsequent presentations.

Peer Review Indicators

The peer review indicators selected for this study included the peer review score (PScore), weighted peer review stars (PStar_w), and weighted peer review evaluation times (PTime_w). In this case, the weighted indicators refer to the weighting of ratings and number of evaluations by the number of evaluators when an evaluation was completed by more than one reviewer.

The advantage of using peer review indicators is that it can make up for the lag and one-sidedness of relying solely on the citations among the literature to assess the quality of the literature. It also corrects the shortcomings of the traditional JIF to judge the quality of the literature. Compared with a single impact indicator, it is more scientific.

Impact Indicators

The impact indicators selected for this study included the Cumulative Citation for 5 years (CC 5 ), JIF, Journal Citation Indicator (JCI), and Journal Cumulative Citation for 5 years (JCC 5 ). Among these, JIF is the total number of citations for scholarly articles published in the journal in the past 2 years divided by the total number of citable articles. JCI is the average Category Normalized Citation Impact (CNCI) of the citable literature published in the specific journal in the previous 3 years. The JCC 5 is obtained by dividing the sum of the citation frequencies recorded in the POCI repository of the corresponding research papers (focus papers) of the selected journals for the years 2018 to 2022 by the number of research papers published by the journal (as in Equation 4).

In Equation 4, a i C t represents the number of citations of the i th research paper of the journal in year t, and n is the number of research papers published by the journal.

Evaluation and Correlation Analyses of Journals Under Different Evaluation Perspectives

Analysis of differences in academic influence and level of disruptive innovation of journals.

The academic impact and level of disruptive innovation of the selected 114 journals, the results of the correlation analyses of the indicators, and the differences in the rankings are shown in Table 1 , Table 2 , and Figure 1 , respectively. From these, we can see that (1) journals that are at the top of the ranking of impact indicators are usually also ranked at the top in the ranking of disruptive innovation, (2) journals at the bottom of the impact rankings are usually at the bottom of the innovation rankings, and (3) there is little difference in the ranking results of journals under different impact indicators, but there is a big difference in the ranking results of influence and disruptive innovation. Although there are moderate correlations between the JDI of journals and the 3 influence indicators of JIF, JCI, and JCC 5 , the average difference between the disruptive innovation ranking and academic influence ranking of the journals included in the study reached 20 places.

a JCC 5 : Journal Cumulative Citation for 5 years.

b JDI: Journal Disruption Index.

c JIF: Journal Impact Factor.

d JCI: Journal Citation Indicator.

a JDI: Journal Disruption Index.

b JCC 5 : Journal Cumulative Citation for 5 years.

e Not applicable.

Analysis of the Differences Between the Journals’ Impact and Disruption and the Results of Peer Review

In order to better analyze the differences between the academic impact and level of disruptive innovation with peer-reviewed results of journals in the field of general and internal medicine, papers indexed in H1 Connect were referred to as “H-papers,” and the source journals of “H-papers” are referred to as “H-journals.” The evaluation indicators, ranking of H-journals, and the percentage of H-papers are shown in Table 3 and Table 4 . We can see that (1) the top 7 journals in terms of both academic impact and disruptive innovation are all H-journals, (2) the average impact ranking of H-journals is higher than the average innovation ranking, and (3) some journals with low impact and innovation also became H-journals.

a JPScore: journal peer review score.

b JPTime_w: weighted journal peer review evaluation time.

c JFPStar_w: weighted journal peer review star.

b JIF: Journal Impact Factor.

c JCI: Journal Citation Indicator.

Evaluation and Correlation Analyses of Papers Under Different Evaluation Perspectives

Analysis of differences in academic impact and level of disruptive innovation of papers.

Ideally, if an article is accepted by a specific journal, it is because its overall quality is similar to other papers previously published in that journal [ 47 ]. However, journal-level indicators are, at best, only moderately suggestive of the quality of an article [ 48 ], which makes indicators that measure specific articles more popular [ 49 ]. Therefore, in this study, research papers in the field of general and internal medicine were also evaluated in terms of their academic impact and level of disruptive innovation, and the results are shown in Figure 2 . From the results, we can see that research papers that rank high in the impact ranking usually also rank high in the disruptive innovation ranking. There were 8 (8/15, 53%), 96 (96/150, 64%), and 880 (880/1500, 58.67%) of the Top 0.1%, Top 1%, and Top 10% papers, respectively, selected based on the Dz and CC 5 that were the same. Second, the level of disruptive innovation of research papers with the same level of impact varied greatly, and the impact level of research papers with the same level of disruptive innovation also varied greatly. Third, despite the high correlation ( r =0.635, P <.001) between the Dz and CC 5 of the selected research papers, the average difference between their innovation and impact rankings reached about 2700. Fourth, the actual analysis results showed no correlation between the innovation of the selected research paper and the number of references, which indicates that the Dz index is basically unaffected by the difference in the number of references in the actual evaluation process ( r =0.006, P =.43).

Analysis of Differences Between Papers’ Impact and Disruption and the Results of Peer Review

In order to better analyze the differences between the academic impact, level of disruptive innovation, and peer review results of journal research papers in the field of general and internal medicine, the differences between the academic impact and disruptive innovation level and the peer review results of H-papers were analyzed. The specific results are shown in Table 5 and Figure 3 . From the results, we see that there were 8 (8/15, 53%), 65 (65/150, 43.3%), and 187 (187/1500, 12.47%) H-papers among the top 0.1%, top 1%, and top 10% papers, respectively, selected based on Dz. There were 5 (5/15, 33%), 74 (74/150, 49.3%), and 220 (220/1500, 14.67%) H-papers among the top 0.1%, top 1%, and top 10% papers, respectively, selected based on CC 5 . Second, there was a significant positive correlation between the peer review indicators, disruptive innovation indicators, and academic impact indicators of H-papers, reflecting the consistency between the quantitative evaluation and peer review at the overall level. Third, the average impact ranking of H-papers was 865 (top 5.68%), and the average disruptive innovation ranking was 1726 (top 11.35%), which means that the average impact ranking of H-papers was higher than the average disruptive innovation ranking. Fourth, some papers with low academic impact and disruptive innovation level also became H-papers. Fifth, compared with the CC 5 , Dz has a minor correlation advantage with PTime_w and PStar_w.

a CC 5 : Cumulative Citation for 5 years.

b Dz: absolute disruption index.

c PTime_w: weighted peer review evaluation times.

d PStar_w: weighted peer review stars.

e PScore: peer review score.

f Not applicable.

In addition to rating and commenting on the included research papers, different labels are added by the reviewers of articles in H1 Connect according to their different internal characteristics. The relevant definitions are shown in Table 6 (refer to Du et al [ 50 ]). We categorized and counted the 257 H-papers (in this study, if a paper had more than 1 tag, it was counted separately in the calculation of each tag), and the results are shown in Table 7 . From this, we can see that (1) research papers with the tags in the “Novel Drug Target,” “Technical Advance,” and “New Finding” categories had a high academic impact and a high disruptive innovation level; (2) research papers with the “Changes Clinical Practice” tag showed only a moderate academic impact and disruptive innovation level but had high levels of peer-reviewed recognition and attention; (3) experts showed higher recognition and concern for research papers with tags of “Negative/Null Result,” “Controversial,” “Refutation,” and “Interesting Hypothesis,” but their academic impact and disruptive innovation level were lower than others.

c PScore: peer review score.

e PTime_w: weighted peer review evaluation times.

Principal Findings

Evaluation of disruptive innovation is detached from the traditional evaluation system.

From these research results, large differences were seen between the innovation and impact rankings of the journals and research papers included in the study. This is also consistent with the findings of Guo and Zhou [ 51 ]. This phenomenon reflects the essential difference between the 2 different evaluation systems. It also proves that the evaluation of the disruptive innovation of research papers and journals based on Dz and JDI is not consistent with the traditional evaluation system of impact.

The essence of disruptive evaluation is to measure the innovation from the substitution level of knowledge structure. This evaluation method brings new ideas to the field of scientific research evaluation, helps relevant institutions and scholars remove the constraints of the traditional evaluation system, and helps to establish a value orientation of encouraging innovation for scientific research and scientific and technological journals, so as to promote the benign development of the academic ecology.

The 3 Evaluation Systems Only Have High Consensus on the Top Object

Although, given the consistency of scientific evaluation, there will be some uniformity in the level of disruptive innovation, level of academic impact, and peer review results of journals as well as research papers.

However, from the research results presented in this paper, we can see that (1) the top 7 journals in terms of both academic impact and disruptive innovation were all H-journals, (2) more than one-half of the top papers selected based on Dz and CC 5 were the same, (3) the average H-papers were ranked at the top in terms of impact and innovation, and (4) the results of the different evaluation systems only had high consensus on the authoritative journals and top papers in the field.

These findings are also consistent with those of Goman [ 52 ] and Chi et al [ 53 ]. A fundamental reason for this phenomenon is that the purposes of the 3 evaluation systems are inherently different. Therefore, in the actual evaluation process, the 3 kinds of indicators are not interchangeable, and the combination of the 3 evaluation systems may be a feasible solution to establish a comprehensive, scientific, and reasonable journal evaluation system.

A Single Indicator Cannot Accurately Reflect the Impact of Medical Research on Clinical Practice Alone

From the aforementioned findings, we can see that research papers of the “Novel Drug Target,” “ Technical Advance,” and “New Finding” types have high academic impact and high levels of innovation, which is in line with their classification definitions. This is also consistent with the findings of Du et al [ 50 ], Thelwall et al [ 54 ], and Jiang and Liu [ 55 ]. Second, research papers of the “Changes Clinical Practice” type showed only moderate levels of innovation and impact but had high levels of peer-reviewed recognition and attention. This reflects the difficulty of evaluating the impact of a particular academic paper on clinical practice, whether the evaluation system is based on academic impact or level of disruptive innovation. Third, peer-reviewed experts show higher recognition and concern for research papers of the types “Negative/Null Result,” “Controversial,” “Refutation,” and “Interesting Hypothesis,” but the level of impact and disruptive innovation of these papers are lower. This partly reflects the current academic community’s excessive focus on positive results; deliberate avoidance of negative results; and overall lack of support for debatable, falsified, and other types of research.

Several scholars have recently suggested that the evaluation system of medical journals should be redesigned for contemporary clinical impact and utility [ 56 ]. In this regard, Thelwall and Maflahi [ 57 ] advocated that the references of a guideline are an important basis for studying clinical value. However, Traylor and Herrmann-Lingen [ 58 ] found only a weak correlation between the number of citations to individual journals in the guidelines and their respective JIF. Therefore, the JIF is not a suitable tool for assessing the clinical relevance of medical research. The results of this study similarly found that research papers of the “Changes Clinical Practice” type showed only moderate levels of disruptive innovation and academic impact, but such research papers received higher recognition and attention from peer review experts. Therefore, combining quantitative evaluation with peer review may be a feasible way to measure the impact of medical research on clinical practice.

Limitations

However, this study also has the following limitations. First, papers in the medical field have a preference for citing review articles [ 59 ], which has a certain impact on the evaluation of the disruptive innovation of research papers. Second, the scoring mechanism provided to its reviewers by H1 Connect has a low differentiation degree and cannot perfectly distinguish the differences in quality between papers yet. In addition, H1 Connect has too few evaluators. Brezis and Birukou [ 60 ] illustrated that, if the number of reviewers is increased to about 10, the correlation between the results and the quality of the paper will be significantly improved. However, it is difficult to seek so many high-quality experts who are willing to accept open peer review in the high pressure environment of “Publish or Perish” [ 61 ]. Third, since the citation data sources used in this study are all based on PubMed data, this study also suffers from the problem of missing references and citations that are not labeled with a PMID, which affects the accuracy of the evaluation results to a certain extent. In future studies, we will obtain more accurate measurement results by jointly using multiple sources of citation data.

Conclusions

In this study, the general and internal medicine journals indexed in SCIE in 2018 were chosen as the study object. The POCI and H1 Connect databases were selected as sources of citation relationship data and peer review data. We investigated the connections and contrasts between the academic impact, level of disruptive innovation, and results of peer review for medical journals and published research papers. We also analyzed the similarities and differences as well as the fundamental causes of the varying evaluation results in terms of impact evaluation, disruptive innovation, and peer review for various types of medical research papers.

The results of this study show that the evaluation of scientific research based on the innovation index is detached from the traditional impact evaluation system, the 3 evaluation systems only have high consistency for authoritative journals and top papers, and neither the single impact index nor the innovation index can directly reflect the impact of medical research on clinical practice.

In addition, with the increasing importance of replicative science, the accuracy of statistical reports, evidential value of reported data, and replicability of given experimental results [ 62 ] should also be included in the examination of journal quality. How to establish a comprehensive, all-encompassing, scientific, and reasonable journal evaluation system needs to be further investigated.

Acknowledgments

XL was supported by the National Social Science Foundation of China (23BTQ085), Major Project of Basic Research on Philosophy and Social Sciences in Henan Universities (2024-JCZD-23).

Data Availability

All citation data can be obtained from [ 63 ].

Authors' Contributions

XL conceptualized the study, reviewed and edited the manuscript, and supervised the study. YJ was responsible for the methodology, provided the software and other resources, performed the formal analysis, and wrote the original manuscript draft. YJ and XL acquired funding. YJ, XY, and ZZ curated the data. XY and ZZ also contributed to the study investigation.

Conflicts of Interest

None declared.

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Abbreviations

Edited by S Ma; submitted 04.12.23; peer-reviewed by O Beiki, C Oo; comments to author 28.02.24; revised version received 16.04.24; accepted 29.04.24; published 31.05.24.

©Yuyan Jiang, Xue-li Liu, Zixuan Zhang, Xinru Yang. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 31.05.2024.

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