assignment references example

APA Citation Guide (7th edition) : Reference List Information, Sample Papers, and Templates

• Advertisements
• Annual Reports
• Books & eBooks
• Book Reviews
• Class Notes, Class Lectures and Presentations
• Encyclopedias & Dictionaries
• Exhibitions and Galleries
• Government Documents
• Images, Charts, Graphs, Maps & Tables
• Journal Articles
• Magazine Articles
• Newspaper Articles
• Personal Communication (Interviews, Emails)
• Social Media
• Videos & DVDs
• When Creating Digital Assignments
• When Information Is Missing
• Works Cited in Another Source
• Dissertations & Theses
• Paraphrasing
• Reference List Information, Sample Papers, and Templates
• Annotated Bibliography
• How Did We Do?

Sample Paper

This sample paper includes a title page, sample assignment page and references list in APA format. It can be used as a template to set up your assignment.

• APA 7 Sample Research Paper

If your instructor requires you to use APA style headings and sub-headings, this document will show you how they work.

• APA 7 Headings Template

If you are adding an appendix to your paper there are a few rules to follow that comply with APA guidelines:

• The Appendix appears  after  the References list
• If you have more than one appendix you would name the first appendix Appendix A, the second Appendix B, etc.
• The appendices should appear in the order that the information is mentioned in your paper
• Each appendix begins on a new page

APA End of Paper Checklist

Finished your assignment? Use this checklist to be sure you haven't missed any information needed for APA style.

• APA 7 End of Paper Checklist

Quick Rules for an APA Reference List

Your research paper ends with a list of all the sources cited in the text of the paper. Here are nine quick rules for this Reference list.

• Start a new page for your Reference list. Center and bold the title, References, at the top of the page.
• Double-space the list.
• Start the first line of each reference at the left margin; indent each subsequent line five spaces (a hanging indent).
• Put your list in alphabetical order. Alphabetize the list by the first word in the reference. In most cases, the first word will be the author’s last name. Where the author is unknown, alphabetize by the first word in the title, ignoring the words a, an, the.
• For each author, give the last name followed by a comma and the first (and middle, if listed) initials followed by periods.
• Italicize the titles of these works: books, audiovisual material, internet documents and newspapers, and the title and volume number of journals and magazines.
• Do not italicize titles of most parts of works, such as: articles from newspapers, magazines, or journals / essays, poems, short stories or chapter titles from a book / chapters or sections of an Internet document.
• In titles of non-periodicals (books, videotapes, websites, reports, poems, essays, chapters, etc), capitalize only the first letter of the first word of a title and subtitle, and all proper nouns (names of people, places, organizations, nationalities).
• For a web source include the internet address in your citation, it can be a live hyperlink. 

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Harvard referencing quick guide: Sample assignment

• Introduction
• General guidelines
• Citing and referencing material

Sample assignment

• Referencing software

Citing and reference list example

The text to the right shows how citations and the reference list are typically written in the Harvard referencing style.

Note: the text itself is not designed to be a proper example of academic writing and does not use information from the sources cited; it is for illustrative purposes only.

The purpose of this assignment is to show common elements of the Harvard style of referencing in Dundalk Institute of Technology. It is not intended to be an example of good quality academic writing, and indeed may not make sense in general, but it should show you how citations and a reference list are formed in the Harvard style of referencing (Cameron 2021). If you include a “direct quotation from a book you have read” (Giddens and Sutton 2021, p.117) you should include the relevant page number.

You don’t always have to write the author and year in brackets. Cameron (2021) explains that if the author’s name occurs naturally in the text then the year follows it in brackets. If there are two authors you should include both of them in the citation (Levine and Munsch 2021). If there are three or more authors you don’t have to list all of the names in the citation but you should include them all in the reference list (Robbins et al. 2020). The reference list should appear at the end of your assignment and be in alphabetical order based on the first author’s surname (Bruen 2022) rather than the order in which they appear in your assignment ( Papagiannis  2022). If you are using a citation for a second time you do not need to include it twice in the reference list (Cameron 2021).

Referencing an academic journal that you find online requires more information in the reference list but uses the same format for citing as other sources (Tesseur 2022). If referencing a source from a library database you say from which database you found it (Mayombe 2021).

Don’t forget that websites need to be cited too (Dundalk Institute of Technology 2022). We recommend you look at the full version of DkIT’s Harvard referencing guidelines, and contact the Library if you have any questions. Good luck.

Reference list

Bruen, M. (2020). River flows. In: Kelly-Quinn, M. and Reynolds, J., eds.  Ireland’s rivers . Dublin: University College Dublin Press, pp.39-59.

Cameron, S. (2021). The business student's handbook: skills for study and employment . 7th ed. Harlow: Pearson.

Dundalk Institute of Technology. (2022).  Research support  [online]. Available from: https://www.dkit.ie/research/research-support.html [accessed 25 March 2022].

Giddens, A. and Sutton, P.W. (2021).  Sociology . 9th ed. Cambridge: Polity Press.

Levine, L.E. and Munsch, J. (2021).  Child development: an active learning approach  [online]. 4th ed. London: SAGE Publications. Available from: https://books.google.ie/books?id=zlrZzQEACAAJ&dq [accessed 25 March 2022].

Mayombe, C. (2021). Partnership with stakeholders as innovative model of work-integrated learning for unemployed youths.  Higher Education, Skills and Work-Based Learning  [online], 12(2), pp.309-327. Available from: Emerald Insight [accessed 25 March 2022].

Papagiannis, N. (2020).  Effective SEO and content marketing: the ultimate guide for maximizing free web traffic  [online]. Indianapolis: Wiley. Available from: EBSCOhost eBook Collection [accessed 25 March 2022].

Robbins, S.P., Coulter, M.A. and De Cenzo, D.A. (2020).  Fundamentals of management . 11th ed. Harlow: Pearson.

Tesseur, W. (2022). Translation as inclusion? An analysis of international NGOs’ translation policy documents.  Language Problems and Language Planning  [online], 45(3), pp. 261-283. Available from: https://doras.dcu.ie/26151 [accessed 25 March 2022].

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• Referencing
• Harvard Style Bibliography | Format & Examples

Harvard Style Bibliography | Format & Examples

Published on 1 May 2020 by Jack Caulfield . Revised on 7 November 2022.

In Harvard style , the bibliography or reference list provides full references for the sources you used in your writing.

• A reference list consists of entries corresponding to your in-text citations .
• A bibliography sometimes also lists sources that you consulted for background research, but did not cite in your text.

The two terms are sometimes used interchangeably. If in doubt about which to include, check with your instructor or department.

The information you include in a reference varies depending on the type of source, but it usually includes the author, date, and title of the work, followed by details of where it was published. You can automatically generate accurate references using our free reference generator:

Harvard Reference Generator

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Table of contents

Formatting a harvard style bibliography, harvard reference examples, referencing sources with multiple authors, referencing sources with missing information, frequently asked questions about harvard bibliographies.

Sources are alphabetised by author last name. The heading ‘Reference list’ or ‘Bibliography’ appears at the top.

Each new source appears on a new line, and when an entry for a single source extends onto a second line, a hanging indent is used:

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Reference list or bibliography entries always start with the author’s last name and initial, the publication date and the title of the source. The other information required varies depending on the source type. Formats and examples for the most common 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 without DOI

• General web page
• Online article or blog
• Social media post

Newspapers and magazines

• Newspaper article
• Magazine article

When a source has up to three authors, list all of them in the order their names appear on the source. If there are four or more, give only the first name followed by ‘ et al. ’:

Sometimes a source won’t list all the information you need for your reference. Here’s what to do when you don’t know the publication date or author of a source.

Some online sources, as well as historical documents, may lack a clear publication date. In these cases, you can replace the date in the reference list entry with the words ‘no date’. With online sources, you still include an access date at the end:

When a source doesn’t list an author, you can often list a corporate source as an author instead, as with ‘Scribbr’ in the above example. When that’s not possible, begin the entry with the title instead of the author:

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.

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. ’

In Harvard style referencing , to distinguish between two sources by the same author that were published in the same year, you add a different letter after the year for each source:

• (Smith, 2019a)
• (Smith, 2019b)

Add ‘a’ to the first one you cite, ‘b’ to the second, and so on. Do the same in your bibliography or reference list .

To create a hanging indent for your bibliography or reference list :

• Highlight all the entries
• Click on the arrow in the bottom-right corner of the ‘Paragraph’ tab in the top menu.
• In the pop-up window, under ‘Special’ in the ‘Indentation’ section, use the drop-down menu to select ‘Hanging’.
• Then close the window with ‘OK’.

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. (2022, November 07). Harvard Style Bibliography | Format & Examples. Scribbr. Retrieved 9 September 2024, from https://www.scribbr.co.uk/referencing/harvard-bibliography/

Is this article helpful?

Jack Caulfield

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APA Style (6th ed.)

• Position of the citation
• Secondary Referencing
• Date of Publication
• Page numbers
• Citing Sources Multiple Times
• Citing from Web pages
• Paraphrasing and Summarising
• Reference Lists and Bibliographies
• Examples of References in APA (6th ed.) style

Examples of References in APA style (6th edition)

• Examples of References in APA style
• APA Reference Examples A-Z
• Comparison of 6th and 7th editions of APA
• Setting the Bibliographic Style
• Inserting In-text Citations
• How to create a Reference List
• Managing Sources
• Editing Citations
• Updating your Reference list
• Find Sources
• Evaluate Sources
• Write the Reference
• Write the Annotation
• Examples of Annotations
• Journal Articles
• Web pages and social media
• Newspaper articles

Dictionary or Encyclopaedia

Thesis or dissertation.

• Reports and Datasets
• Conferences
• Images, figures and tables

Exhibitions

• Audiovisual and Digital Media
• Lecture Notes and Presentations

• Author/Editor (Surname, Initials) ,
• (Year of publication).
• Title (in italics) .
• Edition (other than first edition) .
• Place of publication: Publisher.

An e-book retrieved from an academic database that does not have a DOI (Digital Object Identifier) is referenced as though it were the print version, as above. (A DOI is a unique alphanumeric string that identifies content and provides a persistent link to its location on the internet. DOIs can be found in database records and the reference lists of published works).

Books with a URL or a DOI can be referenced like this:

• Author/editor (Surname, Initials)
• (Year of publication)
• Title of book (in italics)
• (Edition) (if not the 1st edition)
• DOI or Retrieved from URL

Book Chapter

• Author of chapter/section (Surname, Initials)
• ‘Title of chapter/section’.
• ‘In:’ followed by author/editor of book, (in direct order)
• Title of book (in italics) .
• (Page reference).
• Place of publication: Publisher,

Journal article (print)

• Author(s) (Surname, Initials)
• Title of article
• Title of journal (in italics, first letter of each word should be capitalised, except for words such as and, of, the)        
• Issue information (volume, issue, pages) (volume in italics)

Journal article (online)

• Title of article.
• Title of journal (in italics, first letter of each word should be capitalised, except for words such as and, of, the)
• Issue information (date, volume, issue no., pages) (volume in italics)
• Retrieved from: URL

Journal article (database without DOI)

Journal articles retrieved from databases without a DOI can be referenced like a print journal, as above.

Journal article (with DOI)

• Issue information (date, volume , issue no., pages) (volume in italics)

Journal article (more than 7 authors)

List the first six authors followed by three spaced ellipsis points (...) and then the last author's name.

Journal article (pre-publication)

“Pre-print”, “In press” and “advanced online publication” usually refer to articles that have been accepted for publication, but may not yet have been assigned to a publication volume/issue. These articles can be cited using the year of online publication and the DOI.

• Issue information (date, volume, issue no., pages) (if any available)
• Advance online publication.

arXiv is a collection facility for scientific 'e-prints'. Some of them have been published and some have not. APA recommends updating your references when you're close to finishing your assignment. If you've cited a preprint that has since been published, cite the published journal article.

In the example below, you will see that the title is in italics. This is because it hasn't yet been accepted in a journal and is, therefore, considered a stand-alone work.

Journal Article (with article numbers, not page numbers)

If the journal article has an article number instead of a page range, include the word “Article” and then the article number instead of the page range.

• Journal Title  (in italics)
• Volume ,  (in italics)
• Article number 

Magazine Article

• (Year of publication, Month day)
• Title of magazine (in italics, first letter of each word should be capitalised, except for words such as and, of, the)      

• Author (Surname, Initials or Organisation name)
• (Year)  (Month Day, if applicable).
• Title of webpage   (in italics)

If no date can be established, use n.d. to indicate no date in the citation and the reference.

• Author of message
• (Year, Month Day).
• Title of message
• [Blog post]

• Author (surname followed by initials) and/or [screen name]
• (Year, Month day) tweet posted
• full text of tweet (If a tweet is longer than 40 words, write the first 40 words)

• Author and/or [given name]
• (Year, month day)
• Title of page   or post
• [Facebook status update].
• For individual authors, provide their full first name in square brackets after their initial as this is their social media identity information.
• For the title, provide the name of the page or the content or caption of the post (up to the first 40 words).

LinkedIn Profile

• Author (name associated with the account)
• Title of page ( Use the page title in the reference (e.g., “Home,” “About,” “Jobs”).)
• [LinkedIn page].
• Retrieved date from: URL ( Provide a retrieval date because the content is designed to change over time and is not archived)

• Author and/or [screen name]
• (Year posted, month day)
• Content of the post (up to the first 20 words)
• [Photograph]
• Retrieved from URL

• Author and/or [Username]
• Content of the post up to the first 20 words. Count a URL or other link, a hashtag, or an emoji as one word each, and include them in the reference if they fall within the first 20 words. Do not italicize emojis.
• [Video]  description of the audiovisuals

Wikipedia is a free online encyclopaedia, created and edited by volunteers around the world. It is not a scholarly source, so your lecturer may not be happy for you to use it as a source in your assignments. Scholarly assignments should generally rely on peer-reviewed and other scholarly work vetted by experts in the field. However, it may be a good starting point for you in your research to find citations to original source materials that you do want to use.

Wikipedia is a constantly changing site, so cite an archived version of the page, if you can (select 'view history' and then the date of the version you used). If it doesn't have a permanent link to an archived version of the page, include a URL for the entry and the retrieval date. The retrieval date is always required because the source material may change over time. 'n.d.' is an abbreviation of 'no date' and it is used as Wikipedia is constantly changing.

• Title of wiki (in italics)
• Retrieved date, from URL

Newspaper article (print)

• Author (Surname, Initials) 
• (Year of publication, Month day).
• Title of article 
• Title of newspaper (in italics) .
• Page reference.

Newspaper article (online)

• Author of entry (if there is one) (Surname, initials)
• Title of entry.
• ‘In:’ Editor (initial and surname) (Ed.)
• Title of dictionary or encyclopaedia  (in italics) .
• (Edition, page numbers of entry)

• Author (Surname, Initials)
• (Year of submission).
• Title of thesis (in italics) .
• (Type of thesis or dissertation)  e.g. Unpublished Master's thesis
• Degree awarding body, location (if unpublished)
• Name of database or archive, URL  (if published)

• Title of data (version)   (in italics)
• [Type of work]  (i.e. dataset)

Government Publication

• Name of Government Department
• Title (in italics)
• (Report Series and number) (if available)
• Place of publication: Publisher (if in print)
• URL (if online)

Company Report

• Title of report . (in italics)
• Place of Publication: Publisher or URL 

• Name of authority or organisation.
• Number and title of standard (in italics) .
• Place of publication: Publisher (if in print) .
• URL (if accessed online)

Conference Paper (in edited book)

• Title of the contribution paper
• In: Name of editor or conference chair (Initial, Last name (Ed (s).)
• Title of conference proceedings (in Italics)
• (Page numbers)
• Place of publication: Publisher

Conference Paper (Journal)

• Author of paper
• Title of paper
• Title of Journal (in italics)
• Issue information (volume, issue, date)

Conference Paper or Poster Presentation 

• (Year, month of conference).
• Paper or Poster presented at Title of conference: Subtitle of conference

Images, illustrations, photos (print)

If you are citing an illustration, figure, diagram or table, start with the source in which it appeared. In your in-text citation, give the page number and any caption number that will help to identify the illustration, using the terminology in the book or article (for example, illus./fig./diagram/logo/table). The reference list entry will be for the whole article or book.

In-text citation:

Reference List:

In the reference list, you list the book in which the image is found:

When you include an image or photo in your text, as well as citing the source, you will also need to include a caption and list it in a Table of Figures ( click here for more information ). Images you created yourself don't have to be cited, but should still be included in the list of figures.

Image, illustration, photo or table (online)

• Creator  (Surname, initial(s))
• [Internet handle] (if appropriate)
• Title of image, figure, illustration or table 
• [Type of image]. (image, chart, diagram, graph, illustration or photograph)

Photographs (Online Collection)

• Photographer
• Title of photograph/video (or collection) 
• [Type of image].  

If you viewed an image in person rather than online (e.g. in a museum or gallery), the source information is different. You will need to include the name and location of the institution where you viewed the image.

• (Year of creation)  (if available)
• Title of the work (in italics)
• [Format description]  (in square brackets)
• City, Country: Institution or collection that houses the work

If you haven't seen the artwork in person and saw it online, use the website in the location part of your reference.

• Originator (Name of organisation)
• Sheet number, scale.
• Publisher (if different from author)
• URL (if viewed online)

It can often be hard to find accurate information about images accessed online.  However, if you do need to cite an image with no author, date or title listed, there are ways around this.  For untitled images, include a description of the image, in square brackets, where the title would usually go. If there is no publication date, add “n.d.” in place of the date, and add the date that you accessed the image.

• Curator(s) (Surname, Initial(s)) .
• (Year or years ran).
• Exhibition Title [Exhibition].
• Museum name,
• City, Country.
• URL of exhibition website (if available)

When the curator is unknown, move the title of the exhibition to the author position of the reference.

Exhibition Catalogue

• Artist (Surname, Initial) (or Gallery/Institution).
• [Exhibition catalogue].
• City of publication, Country/State: Publisher.

• Director(s) (Surname, Initial) (Director) &
• Producer(s) (Surname, Initial) (Producer)
• (Year of original release).
• [Description]. (e.g. Film)
• Country of origin: studio.

Film (from Streaming Service)

• (Year) (in round brackets)

Online Video

• Creator (Surname, Initial). [Screen name].
• (Year, Month day).
• Title of video [Video file]

TV Programme

• Producer(s) & Director(s)
• (Year, Month day)
• Title (in italics) [Television broadcast].
• Place of broadcast: Name of broadcaster.

Episode of a TV Series

• Writer (surname and initial(s)) & Director (surname and initial(s))
• (Date of broadcast or copyright)
• Title of episode [Television series episode]
• Producer (initials and surname)
• Series title (in italics)
• Place of publication: Production company

Radio Programme (Online)

Presenter (Surname, Initial) (Host).

• ( Year, Month Day of broadcast).

Title of programme [Description i.e. Radio broadcast ].

Place of production: Broadcast channel.

Retrieved from URL (if heard online)

• Name of primary contributor (Host or Producer)
• Title of podcast (in italics)

Lecture Notes

Notes you took during a lecture or class handouts that are not posted online are not retrievable by someone else, so do not belong in your reference list. Instead, you treat them like personal communication and just refer to them in your text.

Lecture Notes or Powerpoint Slides (online)

• Lecturer (Surname, Initial(s))
• Course/Module and T it le of lecture [Lecture notes or PowerPoint slides]. (in italics)

Recorded Lectures/Talks

• Author (Surname, Initial(s))
• (Year, Month).
• Title of lecture [file format].

Online Course or Massive Open Online Course (MOOC)

• Instructor(s)  (Surname, Initial(s))
• (Year of course creation  if known ).
• Title of course [format].
• Site that holds the course

Open Educational Resource

• Author  (Surname, Initial(s))
• (Year added with Month day).
• Retrieved date from URL

Music on CD or Vinyl

• Writer ( Surname, Initial ).
• Title of song
• [Recorded by Artist (Initial, Surname or Band name, if different from writer) ].
• Title of album (in italics)
• [Medium of recording].
• Location: Record Label.

Music Streaming

• Name of artist.
• Title of album/track (in italics)
• [Description; Name of streaming service].
• Record Label

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Avoiding plagiarism

• Further help

Referencing in your assignments

In academic work of any kind, effective referencing of your sources will ensure that you:

• show that you are writing from a position of understanding of your topic.
• demonstrate that you have read widely and deeply.
• enable the reader to locate the source of each quote, idea or work/evidence (that was not your own).
• avoid plagiarism and uphold academic honesty.

In order to cite sources correctly in your assignments, you need to understand the essentials of how to reference and follow guidelines for the referencing style you are required to use.

• Referencing styles

Citing your sources can help you avoid plagiarism. You may need to submit your assignments through Turnitin, plagiarism detection software. Find out more about Turnitin and how you can use it to check your work before submitting it:

• What is plagiarism?

Why do I need to reference? Find out more

Referencing and empowerment

Karen Gravett & Ian M. Kinchin (2020) Referencing and empowerment: exploring barriers to agency in the higher education student experience, Teaching in Higher Education, 25:1, 84-97

Plagiarism: what is it, whom does it offend, and how does one deal with it?

J D Armstrong, 2nd (1993) Plagiarism: what is it, whom does it offend, and how does one deal with it?, American Journal of Roentgenology, 161:3, 479-484

Teaching Referencing as an Introduction to Epistemological Empowerment

Monica Hendricks & Lynn Quinn (2000) Teaching Referencing as an Introduction to Epistemological Empowerment, Teaching in Higher Education, 5:4, 447-457

Academic honesty and conduct

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• Engaging with AI in your education and assessment UCL student guidance on how you might engage with Artificial Intelligence (AI) in your assessments, effectively and ethically.
• Referencing and avoiding plagiarism tutorial

Referencing style guides

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APA Citation Guide (7th edition) CGS

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• When Creating Digital Assignments
• When Information Is Missing
• Works Cited in Another Source
• Paraphrasing
• Reference List & Sample Writing
• Annotated Bibliography
• Sample Paper and References List

This sample paper includes a title page, sample assignment page and references list in APA format. It can be used as a template to set up your assignment.

• APA Sample Paper Template

If your instructor requires you to use APA style headings and sub-headings, this document will show you how they work.

This sample demonstrates and describes how to use different levels of headings in APA format.

• APA 7 Headings

If you are adding an appendix to your paper there are a few rules to follow that comply with APA guidelines:

• The Appendix appears  after  the References list
• If you have more than one appendix you would name the first appendix Appendix A, the second Appendix B, etc.
• The appendices should appear in the order that the information is mentioned in your essay
• Each appendix begins on a new page
• APA Research with Appendix

Quick Rules for an APA Reference List

Your research paper ends with a list of all the sources cited in the text of the paper. Here are nine quick rules for this Reference list.

• Start a new page for your Reference list. Center the title, References, at the top of the page.
• Double-space the list.
• Start the first line of each reference at the left margin; indent each subsequent line five spaces (a hanging indent).
• Put your list in alphabetical order. Alphabetize the list by the first word in the reference. In most cases, the first word will be the author’s last name. Where the author is unknown, alphabetize by the first word in the title, ignoring the words a, an, the.
• For each author, give the last name followed by a comma and the first (and middle, if listed) initials followed by periods.
• Italicize the titles of these works: books, audiovisual material, internet documents and newspapers, and the title and volume number of journals and magazines.
• Do not italicize titles of most parts of works, such as: articles from newspapers, magazines, or journals / essays, poems, short stories or chapter titles from a book / chapters or sections of an Internet document.
• In titles of non-periodicals (books, videotapes, websites, reports, poems, essays, chapters, etc), capitalize only the first letter of the first word of a title and subtitle, and all proper nouns (names of people, places, organizations, nationalities).
• If a web source (not from the library) is not a stable archived version, or you are unsure whether it is stable, include a statement of the accessed date before the link.

Finished your assignment? Use this checklist to be sure you haven't missed any information needed for APA style.

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References: Common Reference List Examples

Article (with doi).

Alvarez. E., & Tippins, S. (2019). Socialization agents that Puerto Rican college students use to make financial decisions. Journal of Social Change , 11 (1), 75–85. https://doi.org/10.5590/JOSC.2019.11.1.07

Laplante, J. P., & Nolin, C. (2014). Consultas and socially responsible investing in Guatemala: A case study examining Maya perspectives on the Indigenous right to free, prior, and informed consent.  Society & Natural Resources ,  27 , 231–248.   https://doi.org/10.1080/08941920.2013.861554

Provide a DOI number if there is one. DOI stands for "digital object identifier," a number specific to the article that can help others locate the source. Use  CrossRef.org  to locate DOI information. This rule applies regardless of how the source was accessed (e.g., online, paper, etc.; see APA 7, Section 9.34).

In APA 7, format the DOI as a web address. Active hyperlinks for DOIs and URLs should be used for documents meant for screen reading. Present these hyperlinks in blue and underlined text (the default formatting in Microsoft Word), although plain black text is also acceptable. Be consistent in the formatting choice for DOIs and URLs throughout the reference list. (Note that this guidance has changed from APA 6 where all hyperlink formatting was removed and no active links were included. In APA 6, the URLs appeared in plain, black type and did not link out from the document.)

Also see our Quick Answer FAQ, "Can I use the DOI format provided by library databases?"

Jerrentrup, A., Mueller, T., Glowalla, U., Herder, M., Henrichs, N., Neubauer, A., & Schaefer, J. R. (2018). Teaching medicine with the help of “Dr. House.” PLoS ONE , 13 (3), Article e0193972. https://doi.org/10.1371/journal.pone.0193972

For journal articles that are assigned article numbers rather than page ranges, include the article number in place of the page range.

For more on citing electronic resources, see  Electronic Sources References .

Article (Without DOI)

Found in a common academic research database or in print.

Casler , T. (2020). Improving the graduate nursing experience through support on a social media platform. MEDSURG Nursing , 29 (2), 83–87.

If an article does not have a DOI and you retrieved it from a common academic research database through the university library, there is no need to include any additional electronic retrieval information. The reference list entry looks like the entry for a print copy of the article. (This format differs from APA 6 guidelines that recommended including the URL of a journal's homepage when the DOI was not available.)

Note that APA 7 has additional guidance on reference list entries for articles found only in specific databases or archives such as Cochrane Database of Systematic Reviews, UpToDate, ProQuest Dissertations and Theses Global, and university archives. See APA 7, Section 9.30 for more information.

Found on an Open Access Website

Eaton, T. V., & Akers, M. D. (2007). Whistleblowing and good governance. CPA Journal , 77 (6), 66–71. http://archives.cpajournal.com/2007/607/essentials/p58.htm

Provide the direct web address/URL to a journal article found on the open web, often on an open access journal's website.

In APA 7, active hyperlinks for DOIs and URLs should be used for documents meant for screen reading. Present these hyperlinks in blue and underlined text (the default formatting in Microsoft Word), although plain black text is also acceptable. Be consistent in your formatting choice for DOIs and URLs throughout your reference list. (Note that this guidance has changed from APA 6 where all hyperlink formatting was removed and no active links were included. In APA 6, the URLs appeared in plain, black type and did not link out from the document.)

Weinstein, J. A. (2010).  Social change  (3rd ed.). Rowman & Littlefield.

If the book has an edition number, include it in parentheses after the title of the book. If the book does not list any edition information, do not include an edition number. The edition number is not italicized. (Note: In APA 6, the location of the publisher was included. This is no longer the case in APA 7; only the publisher name is provided.) Regarding publisher name, when a publisher is named after a person (as is the case with Lawrence Erlbaum or John Wiley), list only the surname (Erlbaum or Wiley). In addition, exclude “Publishers,” “Inc.,” and “Co.” from publisher names in reference entries. 

American Nurses Association. (2010).  Nursing: Scope and standards of practice  (2nd ed.).  

In APA 7, if the author and publisher are the same, only include the author in its regular place and omit the publisher. (Note that this is a change from APA 6, where the term “Author” was used for the publisher instead of repeating the name.)

Lencioni, P. (2012). The advantage: Why organizational health trumps everything else in business . Jossey-Bass. https://amzn.to/343XPSJ

As a change from APA 6 to APA 7, it is no longer necessary to include the ebook format in the title. However, if you listened to an audiobook and the content differs from the text version (e.g., abridged content) or your discussion highlights elements of the audiobook (e.g., narrator's performance), then note that it is an audiobook in the title element in brackets. For ebooks and online audiobooks, also include the DOI number (if available) or nondatabase URL but leave out the electronic retrieval element if the ebook was found in a common academic research database, as with journal articles. APA 7 allows for the shortening of long DOIs and URLs, as shown in this example. See APA 7, Section 9.36 for more information. 

Chapter in an Edited Book

Poe, M. (2017). Reframing race in teaching writing across the curriculum. In F. Condon & V. A. Young (Eds.),  Performing antiracist pedagogy in rhetoric, writing, and communication  (pp. 87–105). University Press of Colorado.

Include the page numbers of the chapter in parentheses after the book title. The page range should not be italicized.

Christensen, L. (2001). For my people: Celebrating community through poetry. In B. Bigelow, B. Harvey, S. Karp, & L. Miller (Eds.),  Rethinking our classrooms: Teaching for equity and justice  (Vol. 2, pp. 16–17). Rethinking Schools.

Also include volume number and edition numbers in the parenthetical information after the book title where relevant.

Freud, S. (1961). The ego and the id. In J. Strachey (Ed.), The standard edition of the complete psychological works of Sigmund Freud (Vol. 19, pp. 3-66). Hogarth Press. (Original work published 1923)

When a text has been republished as part of an anthology collection, after the author’s name include the date of the version that was read. At the end of the entry, place the date of the original publication inside parenthesis along with the note “original work published.” For in-text citations of republished work, use both dates in the parenthetical citation, original date first with a slash separating the years, as in this example: Freud (1923/1961). For more information on reprinted or republished works, see APA 7, Sections 9.40-9.41.

Dissertations or Theses

Retrieved from a database

Nalumango, K. (2019). Perceptions about the asylum-seeking process in the United States after 9/11 (Publication No. 13879844) [Doctoral dissertation, Walden University]. ProQuest Dissertations and Theses.

Retrieved From an Institutional or Personal Website

Evener. J. (2018). Organizational learning in libraries at for-profit colleges and universities [Doctoral dissertation, Walden University]. ScholarWorks. https://scholarworks.waldenu.edu/cgi/viewcontent.cgi?article=6606&context=dissertations

Unpublished Dissertation or Thesis

Kirwan, J. G. (2005). An experimental study of the effects of small-group, face-to-face facilitated dialogues on the development of self-actualization levels: A movement towards fully functional persons [Unpublished doctoral dissertation]. Saybrook Graduate School and Research Center.

For further examples and information, see APA 7, Section 10.6.

Legal Material

For legal references, APA follows the recommendations of The Bluebook: A Uniform System of Citation , so if you have any questions beyond the examples provided in APA, seek out that resource as well.

Court Decisions

Reference format:

Name v. Name, Volume Reporter Page (Court Date). URL

Sample reference entry:

Brown v. Board of Education, 347 U.S. 483 (1954). https://www.oyez.org/cases/1940-1955/347us483

Sample citation:

In Brown v. Board of Education (1954), the Supreme Court ruled racial segregation in schools unconstitutional.

Note: Italicize the case name when it appears in the text of your paper rather than citing it—for example, “Cases such as  Brown v. Board of Education  and  Parents Involved in Community Schools v. Seattle  illustrate ...”

Name of Act, Title Source § Section Number (Year). URL

Sample reference entry for a federal statute:

Individuals With Disabilities Education Act, 20 U.S.C. § 1400 et seq. (2004). https://www.congress.gov/108/plaws/publ446/PLAW-108publ446.pdf

Sample reference entry for a state statute:

Minnesota Nurse Practice Act, Minn. Stat. §§ 148.171 et seq. (2019). https://www.revisor.mn.gov/statutes/cite/148.171

Sample citation: Minnesota nurses must maintain current registration in order to practice (Minnesota Nurse Practice Act, 2010).

Note: The § symbol stands for "section." Use §§ for sections (plural). To find this symbol in Microsoft Word, go to "Insert" and click on Symbol." Look in the Latin 1-Supplement subset.

Note: U.S.C. stands for "United States Code."

Note: The Latin abbreviation " et seq. " means "and what follows" and is used when the act includes the cited section and ones that follow.

Note: List the chapter first followed by the section or range of sections.

Unenacted Bills and Resolutions

(Those that did not pass and become law)

Title [if there is one], bill or resolution number, xxx Cong. (year). URL

Sample reference entry for Senate bill:

Anti-Phishing Act, S. 472, 109th Cong. (2005). https://www.congress.gov/bill/109th-congress/senate-bill/472

Sample reference entry for House of Representatives resolution:

Anti-Phishing Act, H.R. 1099, 109th Cong. (2005). https://www.congress.gov/bill/109th-congress/house-bill/1099

The Anti-Phishing Act (2005) proposed up to 5 years prison time for people running Internet scams.

These are the three legal areas you may be most apt to cite in your scholarly work. For more examples and explanation, see APA 7, Chapter 11.

Magazine Article

Clay, R. (2008, June). Science vs. ideology: Psychologists fight back about the misuse of research. Monitor on Psychology , 39 (6). https://www.apa.org/monitor/2008/06/ideology

Note that for citations, include only the year: Clay (2008). For magazine articles retrieved from a common academic research database, leave out the URL. For magazine articles from an online news website that is not an online version of a print magazine, follow the format for a webpage reference list entry.

Newspaper Article

Baker, A. (2014, May 7). Connecticut students show gains in national tests. New York Times . http://www.nytimes.com/2014/05/08/nyregion/national-assessment-of-educational-progress-results-in-Connecticut-and-New-Jersey.html

Include the full date in the format Year, Month Day. Do not include a retrieval date for periodical sources found on websites. Note that for citations, include only the year: Baker (2014). For newspaper articles retrieved from a common academic research database, leave out the URL. For newspaper articles from an online news website that is not an online version of a print newspaper, follow the format for a webpage reference list entry.

Technical and Research Reports

The general structure for a technical or research report is as follows:

Author, A. A. (Publication Year). Title of work . Publisher Name. DOI or URL

Edwards, C. (2015). Lighting levels for isolated intersections: Leading to safety improvements (Report No. MnDOT 2015-05). Center for Transportation Studies. http://www.cts.umn.edu/Publications/ResearchReports/reportdetail.html?id=2402

Technical and research reports by governmental agencies and other research institutions usually follow a different publication process than scholarly, peer-reviewed journals. However, they present original research and are often useful for research papers. Sometimes, researchers refer to these types of reports as gray literature , and white papers are a type of this literature. See APA 7, Section 10.4 for more information.

American Federation of Teachers. (n.d.). Community schools . http://www.aft.org/issues/schoolreform/commschools/index.cfm

If there is no specified author, then use the organization’s name as the author. In such a case, there is no need to repeat the organization's name after the title.

Vartan, S. (2018, January 30). Why vacations matter for your health . CNN. https://www.cnn.com/travel/article/why-vacations-matter/index.html

For webpages from news websites, include the site name after the title and before the URL. If the source is an online newspaper or magazine, follow the models in the previous sections of this page. In APA 7, active hyperlinks for DOIs and URLs should be used for documents meant for screen reading. Present these hyperlinks in blue and underlined text (the default formatting in Microsoft Word), although plain black text is also acceptable. Be consistent in your formatting choice for DOIs and URLs throughout your reference list. (Note that this guidance has changed from APA 6 where all hyperlink formatting was removed, and no active links were included. In APA 6, the URLs appeared in plain, black type and did not link out from the document.)

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• Aberystwyth University
• Referencing & Plagiarism Awareness
• 3. How to insert citations into your assignment.

Referencing & Plagiarism Awareness: 3. How to insert citations into your assignment.

• 1. Introduction
• 2. What is referencing and citation?
• 4. What is plagiarism?
• 5. Referencing Artificial Intelligence Outputs
• 6. Consequences of plagiarism
• 7. Plagiarism in the news
• 8. Referencing Examples
• 9. Reference management tools
• 10. Submitting your work using Turnitin
• 11. How to interpret your Turnitin similarity report
• 12. Further help

What is citing?

Citing is identifying the sources you have used in the text of your assignment.  This may be done as;

a direct quotation

paraphrasing

summarising

In-text citations give brief details about the source that you refer to.

This is an example citation (Harvard referencing style):

(Pears and Shields, 2013)  

Further citation examples from the different referencing styles used at Aberystwyth University can be found here .

The citations will allow the person reading your assignment to locate the full details of the source you have used in the reference list located at the end of your work.

Reference list (Harvard Style)

Pears, R. and Shields, G. (2013) Cite them right: the essential referencing guide . London: Palgrave.

Pears, R. and Shields, G. (2013). Cite them right: the essential referencing guide . London: Palgrave.

How to use quotes in your assignment.

When you use quotations they should be relevant.  Try not to use too many as they can break the flow of your text.  You will need to balance quotations with your own understanding of the sources used.

Don't forget - quotes are included in your word count!

A few tips:

Enclose any quotes in " quotation marks " - be consistent. Check out the further examples to see whether your chosen referencing style uses single or double quotation marks.

If using long quotes that are more than a few sentences, add these as a separate paragraph. This should be indented and there is no need to use quotation marks. ( Please note : The Department of Geography and Earth Sciences stipulate that long, indented quotations require quotation mark at the beginning and the end of the quotation).

Depending on the referencing style you are using, give the author, date and page number that the quote is from.

The full details of the source of the quote are then added into the reference list at the end of your assignment.

Example (Harvard Style):

In-text citation

'There are several ways in which you can incorporate citations into your text, depending on your own style and the flow of the work' (Pears and Shields, 2013, p. 8).

Reference list

How to paraphrase.

Paraphrasing involves expressing another author’s ideas or arguments in your own words, without direct quotation but with due acknowledgement.  It entails reformulating key points or information accurately, so that nothing important is lost but the means of communication is new. For instance:

Quotation     ‘It is impossible to step twice into the same river’ (Heraclitus) Paraphrase     Heraclitus argues that, just as a river is always in motion, the world is always changing so that nothing stays the same.

Paraphrasing can help with the flow or continuity of your written work and is a good way of demonstrating your understanding.

Read your source a few times to ensure you understand the meaning

Restate the key point(s) from the source in your own words, but without distorting the original meaning

Ensure you cite and reference the source.

Please note: When paraphrasing, you should NOT copy a passage from your source and then seek to change some of its wording. Use your own words and phrases from beginning to end when paraphrasing.

How to summarise.

This method provides the key points from an article, book or web page as a brief statement.

A few Tips;

Summaries should be your own work. It is NOT permitted to use online summary tools or other software for this purpose.

Ensure you cite and reference the source

Only list the main topics

In text citation

Importantly, one particular book (Pears and Shields, 2013) looks at the different citation methods when including them in an assignment.

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Home / Guides / Citation Guides / Harvard Referencing / Harvard Referencing Style Examples

Harvard Referencing Style Examples

What is harvard referencing style.

Citing the work of others helps to make your work more impactful. It could be direct quotes , paraphrases of someone else’s ideas, statistical figures, or summaries of main points. There are different methods for crediting resources; Harvard referencing style (or Harvard style for short) is one such method.  

Harvard style follows the author-date system and includes two types of citations:

• in-text citations  
• references  

In-text citations

In-text citations  are included within the text of the main document. They are placed next to the information you are referencing, so the reader is clear on what information came from another source.

In-text citation example:

(Bloom, 2005) or Bloom (2005) wrote…

Every in-text citation has a corresponding reference in a reference list. A reference includes additional details about each source referenced. This enables the reader to refer to the original source, should they need to.  

The reference list is a detailed list of all the works consulted while writing. It is placed at the end of the document.  

Reference example for the above in-text citation:

Author Surname, Initials. (Publication Year) Title of the text in italics. Place of Publication: Publisher.

Bloom, H. (2005) Novelists and novels . Philadelphia: Chelsea House Publishers.

Below are Harvard referencing examples of in-text citations and reference list entries for the different kinds of sources that you might use.  

In-text citation structure and example:  

(Author Surname, Publication Year)

(Ozeki, 2013)  

Reference structure and example:  

Author Surname, Initials. (Publication Year) Title. Place of Publication: Publisher.  

Ozeki, R. (2013) A tale for the time being . New York: Penguin Books.  

Book with two or three authors

For books with two or three authors, the names of all the authors are given in both the in-text citation and the reference entry.  

(1 st Author Surname and 2 nd Author Surname, Publication Year)  

(Lodge and Wood, 2000)

1 st Author Surname, Initials. and 2 nd Author Surname, Initials. (Publication Year) Title of the text in italics. Place of Publication: Publisher.  

Lodge, D. and Wood, N. (2000) Modern criticism and theory: a reader. 2nd edn. Harlow: Longman.  

Book with four or more authors

If the number of authors is four or more, only the first author’s name is used followed by ‘et al.’ , italicised, which is Latin for ‘and others’.

(1 st Author Surname et al., Publication Year)

(Akmajian et al. , 2014)

Reference structure and example:

1 st Author Surname, Initials. e t al. (Publication Year) Title of the text in italics. Place of Publication: Publisher.

Akmajian, A. et al. (2014) Linguistics: an introduction to language and communication . 6th edn. Cambridge, MA: MIT Press.

Book with translator  

For books with a translator, only the author’s name is included in the in-text reference.   The translator is given in the reference list entry, along with the language from which it was translated. This comes right after the title.

(Dostoevsky, 1993)

Author Surname, Initials. (Publication Year) Title of the text in italics. Translated from the Language by Translator Initials. Surname. Place of Publication: Publisher.  

Dostoevsky, F. (1993) Crime and punishment . Translated from the Russian by R. Pevear and L. Volokhonsky. London: Vintage.  

Journal articles

Journal articles are highly credible sources of information. The example below was authored by more than three individuals, so the term ‘ et al. ’ is used in lieu of listing all authors.

In-text citation structure and example:

(Lomolino et al., 2020)

Journal reference list entries often have extra information, such as article title, volume, issue number, page numbers, or a specific date.

With journals, the volume number follows the title. If there are any specific parts of the issue, numbered or organized according to months, these details are mentioned alongside in brackets.  

Author Surname, Initials. (Publication Year) ‘Article title’, Journal Name , Volume(Issue), Page(s). Available at: URL or DOI (Accessed: date).  

Lomolino, M. et al. (2013) ‘Of mice and mammoths: generality and antiquity of the island rule’, Journal of Biogeography , 40(8), pp. 1427-1439. Available at: https://www.jstor/org/stable/23463664 (Accessed: 10 September 2020).

Newspaper or magazine

(Ingle, 2020)

Author Surname, Initials. (Publication Year) ‘Article title’, Newspaper/Magazine Name , Day Month Published, Page(s). Available at: URL or DOI (Accessed: date).  

Ingle, S. (2020) ‘Geraint Thomas insists he has nothing to prove at road world championships’, The Guardian, 24 September. Available at: https://www.theguardian.com/sprot/2020/sep/24/geraint-thomas-insists-he-has-nothing-to-prove-at-road-world-championships-cycling (Accessed: 11 October 2020).

  For online articles, you should always include the URL and date of access.

Social media and other online sources

(Author/Poster Name, Publication Year)

(Cramer, 2020)

References for social media posts have a similar format to online articles. However, sometimes they don’t have a true ‘title’. For example, for Twitter posts, the full text of the tweet is used as the title, unless the tweet is overly long.

Author/Poster Surname, Initial(s). [@Handle] (Publication year) Content of Post [Social Media Site] Day Month Published. Available at: URL (Accessed: Day Month Year).

Cramer, K. [@SenKevinCramer] (2020) Supreme Court vacancies are an important issue to the people I serve [Twitter] 24 September. Available at: https://twitter.com/SenKevinCramer/status/1308915548244398081 (Accessed: 25 September 2020).

The format for citing social media is different than the format for citing regular websites and web pages. This guide on how to cite a website in Harvard style provides details on how to cite web content that is not posted on social media.

(Image Creator or Photographer Surname, Publication Year)

(Pinneo, 2020)

Print reference structure:  

Author, Initial(s). (Year) Title of the Image [Photograph]. Place of Publication: Publisher (if available).

Online reference structure and example:

If the image is on the Internet, then the place of publication and the publisher name are replaced by the image URL and access date.

Author, Initial(s). (Year) Title of the Image .   Available at: URL (Accessed: Day Month Year).  

Pinneo, B.J. (2020) Dusty dreams . Available at: https://www.nationalgeographic.com/photography/photo-of-the-day/2020/09/dusty-dreams/ (Accessed: 23 September 2020).

In-text reference structure and example:  

(Film Title , Year Released )

( Pride & Prejudice , 2005)

For films, the title of the film is used in place of the author name.  

Title of the Film (Year Released) Directed by Director Initial. Surname. Available at: Name of Streaming Service (Accessed: Day Month Year).  

Pride & Prejudice (2005) Directed by J. Wright. UK: Universal Pictures. Available at: Netflix (Accessed: 29 September 2020).

Published October 29, 2020.

Harvard Formatting Guide

Harvard Formatting

• et al Usage
• Direct Quotes
• In-text Citations
• Multiple Authors
• Page Numbers
• Writing an Outline
• View Harvard Guide

Reference Examples

• View all Harvard Examples

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References provide the information necessary for readers to identify and retrieve each work cited in the text .

Check each reference carefully against the original publication to ensure information is accurate and complete. Accurately prepared references help establish your credibility as a careful researcher and writer.

Consistency in reference formatting allows readers to focus on the content of your reference list, discerning both the types of works you consulted and the important reference elements (who, when, what, and where) with ease. When you present each reference in a consistent fashion, readers do not need to spend time determining how you organized the information. And when searching the literature yourself, you also save time and effort when reading reference lists in the works of others that are written in APA Style.

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Instructional Aids

Guides, checklists, webinars, tutorials, and sample papers for anyone looking to improve their knowledge of APA Style

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APA Sample Paper

Welcome to the Purdue OWL

This page is brought to you by the OWL at Purdue University. When printing this page, you must include the entire legal notice.

Copyright ©1995-2018 by The Writing Lab & The OWL at Purdue and Purdue University. All rights reserved. This material may not be published, reproduced, broadcast, rewritten, or redistributed without permission. Use of this site constitutes acceptance of our terms and conditions of fair use.

Note:  This page reflects the latest version of the APA Publication Manual (i.e., APA 7), which released in October 2019. The equivalent resource for the older APA 6 style  can be found here .

Media Files: APA Sample Student Paper  ,  APA Sample Professional Paper

This resource is enhanced by Acrobat PDF files. Download the free Acrobat Reader

Note: The APA Publication Manual, 7 th Edition specifies different formatting conventions for student  and  professional  papers (i.e., papers written for credit in a course and papers intended for scholarly publication). These differences mostly extend to the title page and running head. Crucially, citation practices do not differ between the two styles of paper.

However, for your convenience, we have provided two versions of our APA 7 sample paper below: one in  student style and one in  professional  style.

Note: For accessibility purposes, we have used "Track Changes" to make comments along the margins of these samples. Those authored by [AF] denote explanations of formatting and [AWC] denote directions for writing and citing in APA 7. 

APA 7 Student Paper:

Apa 7 professional paper:.

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• Knowledge Base
• Citing sources

Citation Styles Guide | Examples for All Major Styles

Published on June 24, 2022 by Jack Caulfield . Revised on November 7, 2022.

A citation style is a set of guidelines on how to cite sources in your academic writing . You always need a citation whenever you quote , paraphrase , or summarize a source to avoid plagiarism . How you present these citations depends on the style you follow. Scribbr’s citation generator can help!

Different styles are set by different universities, academic associations, and publishers, often published in an official handbook with in-depth instructions and examples.

There are many different citation styles, but they typically use one of three basic approaches: parenthetical citations , numerical citations, or note citations.

Parenthetical citations

• Chicago (Turabian) author-date

CSE name-year

Numerical citations

CSE citation-name or citation-sequence

Note citations

• Chicago (Turabian) notes and bibliography

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Table of contents

Types of citation: parenthetical, note, numerical, which citation style should i use, parenthetical citation styles, numerical citation styles, note citation styles, frequently asked questions about citation styles.

The clearest identifying characteristic of any citation style is how the citations in the text are presented. There are three main approaches:

• Parenthetical citations: You include identifying details of the source in parentheses in the text—usually the author’s last name and the publication date, plus a page number if relevant ( author-date ). Sometimes the publication date is omitted ( author-page ).
• Numerical citations: You include a number in brackets or in superscript, which corresponds to an entry in your numbered reference list.
• Note citations: You include a full citation in a footnote or endnote, which is indicated in the text with a superscript number or symbol.

Citation styles also differ in terms of how you format the reference list or bibliography entries themselves (e.g., capitalization, order of information, use of italics). And many style guides also provide guidance on more general issues like text formatting, punctuation, and numbers.

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In most cases, your university, department, or instructor will tell you which citation style you need to follow in your writing. If you’re not sure, it’s best to consult your institution’s guidelines or ask someone. If you’re submitting to a journal, they will usually require a specific style.

Sometimes, the choice of citation style may be left up to you. In those cases, you can base your decision on which citation styles are commonly used in your field. Try reading other articles from your discipline to see how they cite their sources, or consult the table below.

The American Anthropological Association (AAA) recommends citing your sources using Chicago author-date style . AAA style doesn’t have its own separate rules. This style is used in the field of anthropology.

APA Style is defined by the 7th edition of the Publication Manual of the American Psychological Association . It was designed for use in psychology, but today it’s widely used across various disciplines, especially in the social sciences.

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The citation style of the American Political Science Association (APSA) is used mainly in the field of political science.

The citation style of the American Sociological Association (ASA) is used primarily in the discipline of sociology.

Chicago author-date

Chicago author-date style is one of the two citation styles presented in the Chicago Manual of Style (17th edition). It’s used mainly in the sciences and social sciences.

The citation style of the Council of Science Editors (CSE) is used in various scientific disciplines. It includes multiple options for citing your sources, including the name-year system.

Harvard style is often used in the field of economics. It is also very widely used across disciplines in UK universities. There are various versions of Harvard style defined by different universities—it’s not a style with one definitive style guide.

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MLA style is the official style of the Modern Language Association, defined in the MLA Handbook (9th edition). It’s widely used across various humanities disciplines. Unlike most parenthetical citation styles, it’s author-page rather than author-date.

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The American Chemical Society (ACS) provides guidelines for a citation style using numbers in superscript or italics in the text, corresponding to entries in a numbered reference list at the end. It is used in chemistry.

The American Medical Association ( AMA ) provides guidelines for a numerical citation style using superscript numbers in the text, which correspond to entries in a numbered reference list. It is used in the field of medicine.

CSE style includes multiple options for citing your sources, including the citation-name and citation-sequence systems. Your references are listed alphabetically in the citation-name system; in the citation-sequence system, they appear in the order in which you cited them.

The Institute of Electrical and Electronics Engineers ( IEEE ) provides guidelines for citing your sources with IEEE in-text citations that consist of numbers enclosed in brackets, corresponding to entries in a numbered reference list. This style is used in various engineering and IT disciplines.

The National Library of Medicine (NLM) citation style is defined in Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers (2nd edition).

Vancouver style is also used in various medical disciplines. As with Harvard style, a lot of institutions and publications have their own versions of Vancouver—it doesn’t have one fixed style guide.

The Bluebook: A Uniform System of Citation is the main style guide for legal citations in the US. It’s widely used in law, and also when legal materials need to be cited in other disciplines.

Chicago notes and bibliography

Chicago notes and bibliography is one of the two citation styles presented in the Chicago Manual of Style (17th edition). It’s used mainly in the humanities.

The Oxford University Standard for the Citation of Legal Authorities ( OSCOLA ) is the main legal citation style in the UK (similar to Bluebook for the US).

There are many different citation styles used across different academic disciplines, but they fall into three basic approaches to citation:

• Parenthetical citations : Including identifying details of the source in parentheses —usually the author’s last name and the publication date, plus a page number if available ( author-date ). The publication date is occasionally omitted ( author-page ).
• Numerical citations: Including a number in brackets or superscript, corresponding to an entry in your numbered reference list.
• Note citations: Including a full citation in a footnote or endnote , which is indicated in the text with a superscript number or symbol.

Check if your university or course guidelines specify which citation style to use. If the choice is left up to you, consider which style is most commonly used in your field.

• APA Style is the most popular citation style, widely used in the social and behavioral sciences.
• MLA style is the second most popular, used mainly in the humanities.
• Chicago notes and bibliography style is also popular in the humanities, especially history.
• Chicago author-date style tends to be used in the sciences.

Other more specialized styles exist for certain fields, such as Bluebook and OSCOLA for law.

The most important thing is to choose one style and use it consistently throughout your text.

A scientific citation style is a system of source citation that is used in scientific disciplines. Some commonly used scientific citation styles are:

• Chicago author-date , CSE , and Harvard , used across various sciences
• ACS , used in chemistry
• AMA , NLM , and Vancouver , used in medicine and related disciplines
• AAA , APA , and ASA , commonly used in the social sciences

APA format is widely used by professionals, researchers, and students in the social and behavioral sciences, including fields like education, psychology, and business.

Be sure to check the guidelines of your university or the journal you want to be published in to double-check which style you should be using.

MLA Style  is the second most used citation style (after APA ). It is mainly used by students and researchers in humanities fields such as literature, languages, and philosophy.

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Caulfield, J. (2022, November 07). Citation Styles Guide | Examples for All Major Styles. Scribbr. Retrieved September 9, 2024, from https://www.scribbr.com/citing-sources/citation-styles/

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