what is apa style in research

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What is APA Style?

The APA (American Psychological Association) style format is the preferred citation style for social science research papers. What does APA style mean? APA style is a set of guidelines for writing and formatting research papers in psychology and related fields. APA is frequently used in the fields of economics, criminology, political science, sociology, business, and pedagogy. When we talk about APA style in research, we are talking about the rules for what a research paper must contain and how it should be written. APA provides specific guidelines for nearly all aspects of manuscript formatting, from font choice to margins and punctuation.

Why Do We Use APA Style? We use APA style for several important reasons. First, APA is referred to as a citation style because it includes specific rules for how the references you cite should be formatted and indicated in your research paper. Proper citation ensures that you will never be accused of plagiarism and lets others who read your paper understand where you got your information. Second, APA style provides style and writing guidelines to make sure that your research paper is easy to read and has all of the necessary elements. The primary purpose of APA style is to promote scientific communication by facilitating clarity of expression and standardizing the organization and content of manuscript formatting.

What Does APA Style Include? So, what is included in an APA style research paper? In fact, APA style has three levels. The first level dictates organization. The second level addresses writing style and language use. The third level deals with mechanics such as punctuation. Let’s begin with the first level - organization.

Level 1 - Organization

An APA style research paper must include:

• A title page - limit your title to a maximum of 12 words and avoid the use of abbreviations and unnecessary words
• An abstract - the abstract should discuss the topic under study, the research questions, any subjects of the research, your research methods, the findings/results, analysis of the data, and your conclusions
• An introduction - address the problem and premise upon which the research was based
• Your methodology - explain in detail how you did your research
• Your results - explain what you found
• A discussion - talk about what your findings mean
• References - a list of the sources you cited

There are more specific guidelines for the manuscript formatting of abstracts and title pages, many examples of which can easily be found by referring to the APA Manual of Style.

Level 2 - Writing Style

An APA style research paper should be written formally. Your intended audience is other academics, your colleagues, and you want to communicate with them very clearly and professionally. This means:

• No pop culture references
• Minimize literary devices (metaphors, irony, imagery, etc.)
• Be direct and straightforward
• Use technical terms, but only where appropriate
• Avoid biased language

In other words, your writing should sound as clear and neutral as possible. It is recommended that you avoid using colorful language to try to sound fancy. For example, if you had your research subjects jump up and down on one leg for ten minutes, say so. Don’t try to use complex phrasing like “participants utilized a unipedal movement to propel themselves off of the ground and then return to land.” With regard to biased language, always use gender-inclusive language (firefighters vs. firemen). Use specific group labels (Asian Americans vs. minorities) and avoid euphemisms (adults with learning disabilities vs. special adults). It’s always a good idea to Google search any terms you want to use if you aren’t sure whether they are offensive or not.

Level 3 - Mechanics

APA style manuscript formatting demands the use of double-spacing and 8.5 x 11 paper with 1-inch margins. Times New Roman 12pt font is recommended. There are a large number of specific recommendations for proper manuscript formatting of an APA style paper, which can be found in the APA Manual of Style. Some of the most common recommendations include:

• Use title case for headings
• Use numerals for numbers 10 and above
• Hyphenate compound adjectives that precede a noun (fact-checking organization, not fact checking organization)
• Spell out a term before introducing its abbreviation in parentheses (the United Nations (UN))
• Left align all tables and figures
• Use in-text citations for sources
• Use footnotes sparingly

What is APA Citation?

Citation in APA style follows a specific format. In general, you should cite citations in the text and then provide the full citation in the “References” section at the end of your paper. Note that APA style requires this section to be titled “References.” “Works Cited” or “Bibliography” is not an acceptable alternative in APA style manuscript formatting .

Citation style will differ somewhat depending on whether you are citing a journal article, book, blog entry, news article, conference paper, social media post, or some other type of media. For the sake of a simple example, we will cite a journal article here.

In-text Citation Example

• According to some scholars (Lee, 2005), civil society in South Korea plays a divisive rather than a unifying role in the nation’s fledgling democracy.
• Lee (2005) argues that civil society in South Korea plays a divisive rather than a unifying role in the nation’s fledgling democracy.

References Citation Example

Lee, S. J. (2005). Democratization and polarization in Korean society. Asian Perspective , 99-125.

Fortunately, you don’t need to worry about memorizing the tricky details of APA citation for every media format you might cite in your research paper. Citation generators abound online that can do the job for you. However, it’s always a good idea to double-check the APA Manual of Style to make sure your references are cited correctly.

Now that you know what APA style is all about, you’re ready to write a great research paper! Remember, there are numerous online sources that can help you format your citations. Always check the APA Manual of Style or ask your professor or advisor for help if you need it. Once you get the hang of it, writing in APA style will come naturally to you.

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This guide pertains to the 7th edition of the APA Manual.

This guide is designed to support the citation and reference needs of USC students, staff, and faculty.  The 7th edition of the manual does make distinctions between formatting certain components for academic use over publication.  This guide will distinguish student/academic formatting where applicable. 

This guide is designed as a "quick" reference to common APA citation, reference and formatting criteria.  When in doubt, we encourage users to consult with the APA publication manual or APA website for further clarification as the authority on formatting.

Attribution for guide: Adapted from American Psychological Association. (2020). Publication manual of the American Psychological Association (7th ed).  https://doi.org/10.1037/0000165-000

What is the purpose of citations?

Citations help readers locate your sources. They help to continue the scholarly conversation. To learn more about how citations can help you avoid plagiarism, view this interactive tutorial: 

USC Library Lessons: Avoiding Plagiarism through Citations

When considering citations and references for your papers, you can ask yourself, "could someone find this information in the future?"

A client's personal file would not need a citation because your reader cannot go find that information again.  Census statistics would require a citation because your reader could go locate that information again.

APA requires FOUR ELEMENTS of every citation:

• Who- Author of content
• When- Date content was published
• What- Title of content
• Where- Publication information. This can be the website you got it from or the journal or book's publication information.

If any of the elements listed above are unavailable, check out "Missing Reference Information" from APA for more information.

• APA Style Website As part of our Style and Grammar Guidelines, we explain the basics of paper format, grammar, punctuation, in-text citations, references, bias-free language, and more. Much of what you used to find on the sixth edition blog, you can now find on the APA Style website.
• Organizing Your Social Sciences Research Paper by Robert V. Labaree Last Updated May 15, 2024 675233 views this year
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What is APA?

In this section we are going to look at how you can set up a paper in APA style. Specifically, we are going to look at citing books and journal articles within your research paper.

APA is the style of documentation of sources used by the American Psychological Association. This form of writing research papers is used mainly in the social sciences, like psychology, anthropology, sociology, as well as education and other fields.

How Does APA Style Work?

When working with APA there are two things to keep in mind: in-text citations and the reference page. In-text citations will use the author's name and the date within your research paper. These citations will refer back to the reference page at the end, which lists all the sources that you may have used in your research paper.

Note: If you are assigned a research paper in APA style for one of your courses, it's a good idea to ask your instructor the questions below. He or she will be able to explain details about the requirements for the paper. For now, we will go over the basic instructions of how to use in-text citations and how to set up the reference page.

When Would I Have to Cite a Source in APA?

Anytime you summarize, paraphrase, or quote information from another source, like passages from books or articles in an academic journal, you are required to list within your text the author's name and the year the article was published. There are a couple of ways this can be arranged. Here are a few examples.

• Another theory came from the idea of the “matching hypothesis.” This was presented by Goffman (1952), who believed that men had the tendency to choose spouses who were of similar social status. The sums of these attributes include are social skills, wealth, power, intelligence, attractiveness, and other skills that are valued in society.

With the example above, the writer puts the author's last name in the text and immediately after it puts the date in parentheses.

• In 1971 Berscheid, Dion, Walster, and Walster conducted another “computer date” dance. This time they paired similar attractive persons together for the date. An independent panel of judges assessed the attractiveness of each of the subjects.

Here, the authors' names and the date of publication are both put into the body of the text, without using parentheses.

Citing a Journal Article

If i cite a journal article in the body of my text does it mean that the authors of that journal article agree with the arguments in my paper.

No, not necessarily. Dr. Sadler, a professor in the psychology department at IUP, states that you can cite articles that will agree or disagree with your ideas. He goes on to say:

• The agreement or disagreement should be conveyed by your wording. For example, “This interpretation is consistent with findings by Smith and Jones (1999) . . . .” Or, you might say, “If my prediction is confirmed, it would falsify the theory of episodic memory proposed by Tulving (1984)” Or, “A number of researchers do not agree with this view (e.g., Brown, 1993; Stevens, 1992; Treisman, 1994).”

So, not only can you use journal articles to support your ideas, but you can also use them to show that some authors do not agree with your ideas or have ideas different from yours.

Preparing to Cite A Source

How do i let the reader know that i am about to cite a source.

To let the reader know that a journal article is about to be cited in the body of your paper, you can use signal phrases that are appropriate for the ideas you want to express. These words include: adds, argues, claims, denies, illustrates, grants, notes, observes, suggests, etc. You could also use the standard “said.”

This is expressed in the sample below:

• In an influential article, Terrace, Petitto, Sanders and Bever (1979) argued that the apes in the language experiments were not using language spontaneously but were merely imitating their trainers, responding to conscious or unconscious cues.

References Page

What is the references page and how is it put together.

The References page lists all the sources you have cited in your paper. The entry for a journal article should look like this:

• Berscheid, E., Dion, K. K., Walster, E., and Walster, G. W. (1971). Physical attractiveness and dating choice: A test of the matching hypothesis. Journal of Experimental Social Psychology , 7, 173-189.

As you can see in the example above, the authors' names appear first (last name, first name). Then the year of publication is given in parentheses. Then the title is listed (with only the first word of the title, the first word after the colon, and proper nouns capitalized). Then the name of the journal (in italics) is listed, the volume number, and finally, the pages of the article.

For a book, the entry looks like this:

• Schaller, G. B. (1993). The Last Panda . Chicago: University of Chicago Press.

In the example above, the author's name is listed (last name, first name), then the date, followed by the title with only the first word capitalized, the city of publication, and then the name of the publisher.

Written by Mariel Lorenz This guide for APA was adapted from: Hacker, D. (2003). A Writer' Reference . (5th ed.). Boston: St. Martin's. American Psychological Association. (2001). Publication Manual of the American Psychological Association . (5th ed.). Washington, DC: American Psychological Association. Updated January 28, 2005 by Renee Brown

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11.1 American Psychological Association (APA) Style

Learning objectives.

• Define APA style and list several of its most important characteristics.
• Identify three levels of APA style and give examples of each.
• Identify multiple sources of information about APA style.

What Is APA Style?

APA style is a set of guidelines for writing in psychology and related fields. These guidelines are set down in the Publication Manual of the American Psychological Association (APA, 2006). The Publication Manual originated in 1929 as a short journal article that provided basic standards for preparing manuscripts to be submitted for publication (Bentley et al., 1929). It was later expanded and published as a book by the association and is now in its sixth edition. The primary purpose of APA style is to facilitate scientific communication by promoting clarity of expression and by standardizing the organization and content of research articles and book chapters. It is easier to write about research when you know what information to present, the order in which to present it, and even the style in which to present it. Likewise, it is easier to read about research when it is presented in familiar and expected ways.

APA style is best thought of as a “genre” of writing that is appropriate for presenting the results of psychological research—especially in academic and professional contexts. It is not synonymous with “good writing” in general. You would not write a literary analysis for an English class, even if it were based on psychoanalytic concepts, in APA style. You would write it in Modern Language Association (MLA) style instead. And you would not write a newspaper article, even if it were about a new breakthrough in behavioral neuroscience, in APA style. You would write it in Associated Press (AP) style instead. At the same time, you would not write an empirical research report in MLA style, in AP style, or in the style of a romance novel, an e-mail to a friend, or a shopping list. You would write it in APA style. Part of being a good writer in general is adopting a style that is appropriate to the writing task at hand, and for writing about psychological research, this is APA style.

The Levels of APA Style

Because APA style consists of a large number and variety of guidelines—the Publication Manual is nearly 300 pages long—it can be useful to think about it in terms of three basic levels. The first is the overall organization of an article (which is covered in Chapter 2 “Getting Started in Research” of the Publication Manual ). Empirical research reports, in particular, have several distinct sections that always appear in the same order:

• Title page. Presents the article title and author names and affiliations.
• Abstract. Summarizes the research.
• Introduction. Describes previous research and the rationale for the current study.
• Method. Describes how the study was conducted.
• Results. Describes the results of the study.
• Discussion. Summarizes the study and discusses its implications.
• References. Lists the references cited throughout the article.

The second level of APA style can be referred to as high-level style (covered in Chapter 3 “Research Ethics” of the Publication Manual ), which includes guidelines for the clear expression of ideas. There are two important themes here. One is that APA-style writing is formal rather than informal. It adopts a tone that is appropriate for communicating with professional colleagues—other researchers and practitioners—who share an interest in the topic. Beyond this shared interest, however, these colleagues are not necessarily similar to the writer or to each other. A graduate student in California might be writing an article that will be read by a young psychotherapist in New York City and a respected professor of psychology in Tokyo. Thus formal writing avoids slang, contractions, pop culture references, humor, and other elements that would be acceptable in talking with a friend or in writing informally.

The second theme of high-level APA style is that it is straightforward. This means that it communicates ideas as simply and clearly as possible, putting the focus on the ideas themselves and not on how they are communicated. Thus APA-style writing minimizes literary devices such as metaphor, imagery, irony, suspense, and so on. Again, humor is kept to a minimum. Sentences are short and direct. Technical terms must be used, but they are used to improve communication, not simply to make the writing sound more “scientific.” For example, if participants immersed their hands in a bucket of ice water, it is better just to write this than to write that they “were subjected to a pain-inducement apparatus.” At the same time, however, there is no better way to communicate that a between-subjects design was used than to use the term “between-subjects design.”

APA Style and the Values of Psychology

Robert Madigan and his colleagues have argued that APA style has a purpose that often goes unrecognized (Madigan, Johnson, & Linton, 1995). Specifically, it promotes psychologists’ scientific values and assumptions. From this perspective, many features of APA style that at first seem arbitrary actually make good sense. Following are several features of APA-style writing and the scientific values or assumptions they reflect.

Another important element of high-level APA style is the avoidance of language that is biased against particular groups. This is not only to avoid offending people—why would you want to offend people who are interested in your work?—but also for the sake of scientific objectivity and accuracy. For example, the term sexual orientation should be used instead of sexual preference because people do not generally experience their orientation as a “preference,” nor is it as easily changeable as this term suggests (Committee on Lesbian and Gay Concerns, APA, 1991).

The general principles for avoiding biased language are fairly simple. First, be sensitive to labels by avoiding terms that are offensive or have negative connotations. This includes terms that identify people with a disorder or other problem they happen to have. For example, patients with schizophrenia is better than schizophrenics . Second, use more specific terms rather than more general ones. For example, Mexican Americans is better than Hispanics if everyone in the group is, in fact, Mexican American. Third, avoid objectifying research participants. Instead, acknowledge their active contribution to the research. For example, “The students completed the questionnaire” is better than “The subjects were administered the questionnaire.” Note that this principle also makes for clearer, more engaging writing. Table 11.1 “Examples of Avoiding Biased Language” shows several more examples that follow these general principles.

Table 11.1 Examples of Avoiding Biased Language

The previous edition of the Publication Manual strongly discouraged the use of the term subjects (except for nonhumans) and strongly encouraged the use of participants instead. The current edition, however, acknowledges that subjects can still be appropriate in referring to human participants in areas in which it has traditionally been used (e.g., basic memory research). But it also encourages the use of more specific terms when possible: college students , children , respondents , and so on.

The third level of APA style can be referred to as low-level style (which is covered in Chapter 4 “Theory in Psychology” through Chapter 7 “Nonexperimental Research” of the Publication Manual .) Low-level style includes all the specific guidelines pertaining to spelling, grammar, references and reference citations, numbers and statistics, figures and tables, and so on. There are so many low-level guidelines that even experienced professionals need to consult the Publication Manual from time to time. Table 11.2 “Top 10 APA Style Errors” contains some of the most common types of APA style errors based on an analysis of manuscripts submitted to one professional journal over a 6-year period (Onwuegbuzie, Combs, Slate, & Frels, 2010). These errors were committed by professional researchers but are probably similar to those that students commit the most too. See also Note 11.8 “Online APA Style Resources” in this section and, of course, the Publication Manual itself.

Table 11.2 Top 10 APA Style Errors

Online APA Style Resources

The best source of information on APA style is the Publication Manual itself. However, there are also many good websites on APA style, which do an excellent job of presenting the basics for beginning researchers. Here are a few of them.

http://www.apastyle.org

Doc Scribe’s APA Style Lite

http://www.docstyles.com/apalite.htm

Purdue Online Writing Lab

http://owl.english.purdue.edu/owl/resource/560/01

Douglas Degelman’s APA Style Essentials

http://www.vanguard.edu/Home/AcademicResources/Faculty/DougDegelman/APAStyleEssentials.aspx

APA-Style References and Citations

Because science is a large-scale collaboration among researchers, references to the work of other researchers are extremely important. Their importance is reflected in the extensive and detailed set of rules for formatting and using them.

At the end of an APA-style article or book chapter is a list that contains references to all the works cited in the text (and only the works cited in the text). The reference list begins on its own page, with the heading “References,” centered in upper and lower case. The references themselves are then listed alphabetically according to the last names of the first named author for each citation. (As in the rest of an APA-style manuscript, everything is double-spaced.) Many different kinds of works might be cited in APA-style articles and book chapters, including magazine articles, websites, government documents, and even television shows. Of course, you should consult the Publication Manual or Online APA Style Resources for details on how to format them. Here we will focus on formatting references for the three most common kinds of works cited in APA style: journal articles, books, and book chapters.

Journal Articles

For journal articles, the generic format for a reference is as follows:

Author, A. A., Author, B. B., & Author, C. C. (year). Title of article. Title of Journal, xx , pp–pp. doi:xx.xxxxxxxxxx

Here is a concrete example:

Adair, J. G., & Vohra, N. (2003). The explosion of knowledge, references, and citations: Psychology’s unique response to a crisis. American Psychologist, 58 , 15–23. doi: 10.1037/0003-066X.58.1.15

There are several things to notice here. The reference includes a hanging indent. That is, the first line of the reference is not indented but all subsequent lines are. The authors’ names appear in the same order as on the article, which reflects the authors’ relative contributions to the research. Only the authors’ last names and initials appear, and the names are separated by commas with an ampersand (&) between the last two. This is true even when there are only two authors. Only the first word of the article title is capitalized. The only exceptions are for words that are proper nouns or adjectives (e.g., “Freudian”) or if there is a subtitle, in which case the first word of the subtitle is also capitalized. In the journal title, however, all the important words are capitalized. The journal title and volume number are italicized. At the very end of the reference is the digital object identifier (DOI), which provides a permanent link to the location of the article on the Internet. Include this if it is available. It can generally be found in the record for the item on an electronic database (e.g., PsycINFO) and is usually displayed on the first page of the published article.

For a book, the generic format and a concrete example are as follows:

Author, A. A. (year). Title of book . Location: Publisher.

Milgram, S. (1974). Obedience to authority: An experimental view . New York, NY: Harper & Row.

Book Chapters

For a chapter in an edited book, the generic format and a concrete example are as follows:

Author, A. A., Author, B. B., & Author, C. C. (year). Title of chapter. In A. A. Editor, B. B. Editor, & C. C. Editor (Eds.), Title of book (pp. xxx–xxx). Location: Publisher.

Lilienfeld, S. O., & Lynn, S. J. (2003). Dissociative identity disorder: Multiple personalities, multiple controversies. In S. O. Lilienfeld, S. J. Lynn, & J. M. Lohr (Eds.), Science and pseudoscience in clinical psychology (pp. 109–142). New York, NY: Guilford Press.

Notice that references for books and book chapters are similar to those for journal articles, but there are several differences too. For an edited book, the names of the editors appear with their first and middle initials followed by their last names (not the other way around)—with the abbreviation “Eds.” (or “Ed.,” if there is only one) appearing in parentheses immediately after the final editor’s name. Only the first word of a book title is capitalized (with the exceptions noted for article titles), and the entire title is italicized. For a chapter in an edited book, the page numbers of the chapter appear in parentheses after the book title with the abbreviation “pp.” Finally, both formats end with the location of publication and the publisher, separated by a colon.

Reference Citations

When you refer to another researcher’s idea, you must include a reference citation (in the text) to the work in which that idea originally appeared and a full reference to that work in the reference list. What counts as an idea that must be cited? In general, this includes phenomena discovered by other researchers, theories they have developed, hypotheses they have derived, and specific methods they have used (e.g., specific questionnaires or stimulus materials). Citations should also appear for factual information that is not common knowledge so that other researchers can check that information for themselves. For example, in an article on the effect of cell phone usage on driving ability, the writer might cite official statistics on the number of cell phone–related accidents that occur each year. Among the ideas that do not need citations are widely shared methodological and statistical concepts (e.g., between-subjects design, t test) and statements that are so broad that they would be difficult for anyone to argue with (e.g., “Working memory plays a role in many daily activities.”). Be careful, though, because “common knowledge” about human behavior is often incorrect. Therefore, when in doubt, find an appropriate reference to cite or remove the questionable assertion.

When you cite a work in the text of your manuscript, there are two ways to do it. Both include only the last names of the authors and the year of publication. The first method is to use the authors’ last names in the sentence (with no first names or initials) followed immediately by the year of publication in parentheses. Here are some examples:

Burger (2008) conducted a replication of Milgram’s (1963) original obedience study.

Although many people believe that women are more talkative than men, Mehl, Vazire, Ramirez-Esparza, Slatcher, and Pennebaker (2007) found essentially no difference in the number of words spoken by male and female college students.

Notice several things. First, the authors’ names are treated grammatically as names of people, not as things. It is better to write “a replication of Milgram’s (1963) study” than “a replication of Milgram (1963).” Second, when there are two authors the names are not separated by commas, but when there are three or more authors they are. Third, the word and (rather than an ampersand) is used to join the authors’ names. Fourth, the year follows immediately after the final author’s name. An additional point, which is not illustrated in these examples but is illustrated in the sample paper in Section 11.2 “Writing a Research Report in American Psychological Association (APA) Style” , is that the year only needs to be included the first time a particular work is cited in the same paragraph.

The second way to cite an article or a book chapter is parenthetically—including the authors’ last names and the year of publication in parentheses following the idea that is being credited. Here are some examples:

People can be surprisingly obedient to authority figures (Burger, 2008; Milgram, 1963).

Recent evidence suggests that men and women are similarly talkative (Mehl, Vazire, Ramirez-Esparza, Slatcher, & Pennebaker, 2007).

One thing to notice about such parenthetical citations is that they are often placed at the end of the sentence, which minimizes their disruption to the flow of that sentence. In contrast to the first way of citing a work, this way always includes the year—even when the citation is given multiple times in the same paragraph. Notice also that when there are multiple citations in the same set of parentheses, they are organized alphabetically by the name of the first author and separated by semicolons.

There are no strict rules for deciding which of the two citation styles to use. Most articles and book chapters contain a mixture of the two. In general, however, the first approach works well when you want to emphasize the person who conducted the research—for example, if you were comparing the theories of two prominent researchers. It also works well when you are describing a particular study in detail. The second approach works well when you are discussing a general idea and especially when you want to include multiple citations for the same idea.

The third most common error in Table 11.2 “Top 10 APA Style Errors” has to do with the use of et al. This is an abbreviation for the Latin term et alia , which means “and others.” In APA style, if an article or a book chapter has more than two authors, you should include all their names when you first cite that work. After that, however, you should use the first author’s name followed by “et al.” Here are some examples:

Recall that Mehl et al. (2007) found that women and men spoke about the same number of words per day on average.

There is a strong positive correlation between the number of daily hassles and the number of symptoms people experience (Kanner et al., 1981).

Notice that there is no comma between the first author’s name and “et al.” Notice also that there is no period after “et” but there is one after “al.” This is because “et” is a complete word and “al.” is an abbreviation for the word alia .

Key Takeaways

• APA style is a set of guidelines for writing in psychology. It is the genre of writing that psychologists use to communicate about their research with other researchers and practitioners.
• APA style can be seen as having three levels. There is the organization of a research article, the high-level style that includes writing in a formal and straightforward way, and the low-level style that consists of many specific rules of grammar, spelling, formatting of references, and so on.
• References and reference citations are an important part of APA style. There are specific rules for formatting references and for citing them in the text of an article.
• Practice: Find a description of a research study in a popular magazine, newspaper, blog, or website. Then identify five specific differences between how that description is written and how it would be written in APA style.

Practice: Find and correct the errors in the following fictional APA-style references and citations.

• Walters, F. T., and DeLeon, M. (2010). Relationship Between Intrinsic Motivation and Accuracy of Academic Self-Evaluations Among High School Students. Educational Psychology Quarterly , 23, 234–256.
• Moore, Lilia S. (2007). Ethics in survey research. In M. Williams & P. L. Lee (eds.), Ethical Issues in Psychology (pp. 120–156), Boston, Psychological Research Press.
• Vang, C., Dumont, L. S., and Prescott, M. P. found that left-handed people have a stronger preference for abstract art than right-handed people (2006).
• This result has been replicated several times (Williamson, 1998; Pentecost & Garcia, 2006; Armbruster, 2011)

American Psychological Association. (2006). Publication Manual of the American Psychological Association (6th ed.). Washington, DC: American Psychological Association.

Bentley, M., Peerenboom, C. A., Hodge, F. W., Passano, E. B., Warren, H. C., & Washburn, M. F. (1929). Instructions in regard to preparation of manuscript. Psychological Bulletin, 26 , 57–63.

Committee on Lesbian and Gay Concerns, American Psychological Association. (1991). Avoiding heterosexual bias in language. American Psychologist, 46 , 973–974. Retrieved from http://www.apa.org/pi/lgbt/resources/language.aspx .

Madigan, R., Johnson, S., & Linton, P. (1995). The language of psychology: APA style as epistemology. American Psychologist, 50 , 428–436.

Onwuegbuzie, A. J., Combs, J. P., Slate, J. R., & Frels, R. K. (2010). Editorial: Evidence-based guidelines for avoiding the most common APA errors in journal article submissions. Research in the Schools, 16 , ix–xxxvi.

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About APA Documentation

The American Psychological Association (APA) has set forth standardized rules for scientific communication. 

These rules are typically referred to as “APA style of documentation” or simply “APA.”

The goal is to maintain uniformity while allowing for minimal distractions to scholarly writing. 

At RCC, you may use APA in order to document your sources and avoid plagiarism. 

• Determine if APA style of documentation is required for your program of study (opens in a new window).
• For APA help, visit the Writing Center in LRC 214. Writing Center hours (opens in a new window).
• Learn more about APA (opens in a new window).
• Next: APA Style Citation Guide >>
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Chapter 11: Presenting Your Research

American Psychological Association (APA) Style

Learning Objectives

• Define APA style and list several of its most important characteristics.
• Identify three levels of APA style and give examples of each.
• Identify multiple sources of information about APA style.

What Is APA Style?

APA style  is a set of guidelines for writing in psychology and related fields. These guidelines are set down in the Publication Manual of the American Psychological Association (APA, 2006) [1] . The  Publication Manual  originated in 1929 as a short journal article that provided basic standards for preparing manuscripts to be submitted for publication (Bentley et al., 1929) [2] . It was later expanded and published as a book by the association and is now in its seventh edition ( view the APA Style website online ). The primary purpose of APA style is to facilitate scientific communication by promoting clarity of expression and by standardizing the organization and content of research articles and book chapters. It is easier to write about research when you know what information to present, the order in which to present it, and even the style in which to present it. Likewise, it is easier to read about research when it is presented in familiar and expected ways.

APA style is best thought of as a “genre” of writing that is appropriate for presenting the results of psychological research—especially in academic and professional contexts. It is not synonymous with “good writing” in general. You would not write a literary analysis for an English class, even if it were based on psychoanalytic concepts, in APA style. You would write it in Modern Language Association (MLA) style instead. And you would not write a newspaper article, even if it were about a new breakthrough in behavioural neuroscience, in APA style. You would write it in Associated Press (AP) style instead. At the same time, you would not write an empirical research report in MLA style, in AP style, or in the style of a romance novel, an e-mail to a friend, or a shopping list. You would write it in APA style. Part of being a good writer in general is adopting a style that is appropriate to the writing task at hand, and for writing about psychological research, this is APA style.

The Levels of APA Style

Because APA style consists of a large number and variety of guidelines—the Publication Manual  is nearly 300 pages long—it can be useful to think about it in terms of three basic levels. The first is the overall  organization  of an article (which is covered in Chapter 2 “Manuscript Structure and Content” of the  Publication Manual ). Empirical research reports, in particular, have several distinct sections that always appear in the same order:

• Title page.  Presents the article title and author names and affiliations.
• Abstract.  Summarizes the research.
• Introduction.  Describes previous research and the rationale for the current study.
• Method.  Describes how the study was conducted.
• Results.  Describes the results of the study.
• Discussion.  Summarizes the study and discusses its implications.
• References.  Lists the references cited throughout the article.

The second level of APA style can be referred to as  high-level style  (covered in Chapter 3 “Writing Clearly and Concisely” of the  Publication Manual ), which includes guidelines for the clear expression of ideas. There are two important themes here. One is that APA-style writing is formal rather than informal. It adopts a tone that is appropriate for communicating with professional colleagues—other researchers and practitioners—who share an interest in the topic. Beyond this shared interest, however, these colleagues are not necessarily similar to the writer or to each other. A graduate student in British Columbia might be writing an article that will be read by a young psychotherapist in Toronto and a respected professor of psychology in Tokyo. Thus formal writing avoids slang, contractions, pop culture references, humour, and other elements that would be acceptable in talking with a friend or in writing informally.

The second theme of high-level APA style is that it is straightforward. This means that it communicates ideas as simply and clearly as possible, putting the focus on the ideas themselves and not on how they are communicated. Thus APA-style writing minimizes literary devices such as metaphor, imagery, irony, suspense, and so on. Again, humour is kept to a minimum. Sentences are short and direct. Technical terms must be used, but they are used to improve communication, not simply to make the writing sound more “scientific.” For example, if participants immersed their hands in a bucket of ice water, it is better just to write this than to write that they “were subjected to a pain-inducement apparatus.” At the same time, however, there is no better way to communicate that a between-subjects design was used than to use the term “between-subjects design.”

APA Style and the Values of Psychology

Robert Madigan and his colleagues have argued that APA style has a purpose that often goes unrecognized (Madigan, Johnson, & Linton, 1995) [3] . Specifically, it promotes psychologists’ scientific values and assumptions. From this perspective, many features of APA style that at first seem arbitrary actually make good sense. Following are several features of APA-style writing and the scientific values or assumptions they reflect.

Another important element of high-level APA style is the avoidance of language that is biased against particular groups. This is not only to avoid offending people—why would you want to offend people who are interested in your work?—but also for the sake of scientific objectivity and accuracy. For example, the term  sexual orientation  should be used instead of  sexual preference  because people do not generally experience their orientation as a “preference,” nor is it as easily changeable as this term suggests (APA Committee on Lesbian, Gay, and Bisexual Concerns Joint Task Force on Guidelines for Psychotherapy With Lesbian, Gay, and Bisexual Clients, 2000) [4] .

The general principles for avoiding biased language are fairly simple. First, be sensitive to labels by avoiding terms that are offensive or have negative connotations. This includes terms that identify people with a disorder or other problem they happen to have. For example,  patients with schizophrenia  is better than  schizophrenics . Second, use more specific terms rather than more general ones. For example,  Chinese Canadians  is better than  Asian Canadians  if everyone in the group is, in fact, Chinese Canadian. Third, avoid objectifying research participants. Instead, acknowledge their active contribution to the research. For example, “The  students completed  the questionnaire” is better than “The  subjects were administered  the questionnaire.” Note that this principle also makes for clearer, more engaging writing. Table 11.1 shows several more examples that follow these general principles.

The previous edition of the  Publication Manual  strongly discouraged the use of the term  subjects  (except for nonhumans) and strongly encouraged the use of participants  instead. The current edition, however, acknowledges that  subjects can still be appropriate in referring to human participants in areas in which it has traditionally been used (e.g., basic memory research). But it also encourages the use of more specific terms when possible:  university  students ,  children , respondents , and so on.

The third level of APA style can be referred to as  low-level style  (which is covered in Chapter 4 “The Mechanics of Style” through Chapter 7 “Reference Examples” of the  Publication Manual .) Low-level style includes all the specific guidelines pertaining to spelling, grammar, references and reference citations, numbers and statistics, figures and tables, and so on. There are so many low-level guidelines that even experienced professionals need to consult the  Publication Manual  from time to time. Table 11.2 contains some of the most common types of APA style errors based on an analysis of manuscripts submitted to one professional journal over a 6-year period (Onwuegbuzie, Combs, Slate, & Frels, 2010) [5] . These errors were committed by professional researchers but are probably similar to those that students commit the most too. See also Note 11.8 “Online APA Style Resources” in this section and, of course, the  Publication Manual  itself.

Online APA Style Resources

The best source of information on APA style is the Publication Manual itself. However, there are also many good websites on APA style, which do an excellent job of presenting the basics for beginning researchers. Here are a few of them.

Purdue Online Writing Lab

Douglas Degelman’s APA Style Essentials [PDF]

Doc Scribe’s APA Style Lite [PDF]

APA-Style References and Citations

Because science is a large-scale collaboration among researchers, references to the work of other researchers are extremely important. Their importance is reflected in the extensive and detailed set of rules for formatting and using them.

At the end of an APA-style article or book chapter is a list that contains references  to all the works cited in the text (and  only  the works cited in the text). The reference list begins on its own page, with the heading “References,” centred in upper and lower case. The references themselves are then listed alphabetically according to the last names of the first named author for each citation. (As in the rest of an APA-style manuscript,  everything  is double-spaced.) Many different kinds of works might be cited in APA-style articles and book chapters, including magazine articles, websites, government documents, and even television shows. Of course, you should consult the  Publication Manual  or Online APA Style Resources for details on how to format them. Here we will focus on formatting references for the three most common kinds of works cited in APA style: journal articles, books, and book chapters.

Journal Articles

For journal articles, the generic format for a reference is as follows:

Author, A. A., Author, B. B., & Author, C. C. (year). Title of article.  Title of Journal, xx (yy), pp–pp. doi:xx.xxxxxxxxxx

Here is a concrete example:

Adair, J. G., & Vohra, N. (2003). The explosion of knowledge, references, and citations: Psychology’s unique response to a crisis.  American Psychologist, 58 (1), 15–23. doi: 10.1037/0003-066X.58.1.15

There are several things to notice here. The reference includes a hanging indent. That is, the first line of the reference is not indented but all subsequent lines are. The authors’ names appear in the same order as on the article, which reflects the authors’ relative contributions to the research. Only the authors’ last names and initials appear, and the names are separated by commas with an ampersand (&) between the last two. This is true even when there are only two authors. Only the first word of the article title is capitalized. The only exceptions are for words that are proper nouns or adjectives (e.g., “Freudian”) or if there is a subtitle, in which case the first word of the subtitle is also capitalized. In the journal title, however, all the important words are capitalized. The journal title and volume number are italicized; however, the issue number (listed within parentheses) is not. At the very end of the reference is the digital object identifier (DOI), which provides a permanent link to the location of the article on the Internet. Include this if it is available. It can generally be found in the record for the item on an electronic database (e.g., PsycINFO) and is usually displayed on the first page of the published article.

For a book, the generic format and a concrete example are as follows:

Author, A. A. (year).  Title of book . Location: Publisher. Kashdan, T., & Biswas-Diener, R. (2014). The upside of your dark side. New York, NY: Hudson Street Press.

Book Chapters

For a chapter in an edited book, the generic format and a concrete example are as follows:

Author, A. A., Author, B. B., & Author, C. C. (year). Title of chapter. In A. A. Editor, B. B. Editor, & C. C. Editor (Eds.),  Title of book  (pp. xxx–xxx). Location: Publisher. Lilienfeld, S. O., & Lynn, S. J. (2003). Dissociative identity disorder: Multiple personalities, multiple controversies. In S. O. Lilienfeld, S. J. Lynn, & J. M. Lohr (Eds.), Science and pseudoscience in clinical psychology (pp. 109–142). New York, NY: Guilford Press.

Notice that references for books and book chapters are similar to those for journal articles, but there are several differences too. For an edited book, the names of the editors appear with their first and middle initials followed by their last names (not the other way around)—with the abbreviation “Eds.” (or “Ed.,” if there is only one) appearing in parentheses immediately after the final editor’s name. Only the first word of a book title is capitalized (with the exceptions noted for article titles), and the entire title is italicized. For a chapter in an edited book, the page numbers of the chapter appear in parentheses after the book title with the abbreviation “pp.” Finally, both formats end with the location of publication and the publisher, separated by a colon.

Reference Citations

When you refer to another researcher’s idea, you must include a reference citation  (in the text) to the work in which that idea originally appeared and a full reference to that work in the reference list. What counts as an idea that must be cited? In general, this includes phenomena discovered by other researchers, theories they have developed, hypotheses they have derived, and specific methods they have used (e.g., specific questionnaires or stimulus materials). Citations should also appear for factual information that is not common knowledge so that other researchers can check that information for themselves. For example, in an article on the effect of cell phone usage on driving ability, the writer might cite official statistics on the number of cell phone–related accidents that occur each year. Among the ideas that do not need citations are widely shared methodological and statistical concepts (e.g., between-subjects design,  t  test) and statements that are so broad that they would be difficult for anyone to argue with (e.g., “Working memory plays a role in many daily activities.”). Be careful, though, because “common knowledge” about human behaviour is often incorrect. Therefore, when in doubt, find an appropriate reference to cite or remove the questionable assertion.

When you cite a work in the text of your manuscript, there are two ways to do it. Both include only the last names of the authors and the year of publication. The first method is to use the authors’ last names in the sentence (with no first names or initials) followed immediately by the year of publication in parentheses. Here are some examples:

Burger (2008) conducted a replication of Milgram’s (1963) original obedience study.

Although many people believe that women are more talkative than men, Mehl, Vazire, Ramirez-Esparza, Slatcher, and Pennebaker (2007) found essentially no difference in the number of words spoken by male and female college students.

Notice several things. First, the authors’ names are treated grammatically as names of people, not as things. It is better to write “a replication of Milgram’s (1963) study” than “a replication of Milgram (1963).” Second, when there are two authors the names are not separated by commas, but when there are three or more authors they are. Third, the word  and  (rather than an ampersand) is used to join the authors’ names. Fourth, the year follows immediately after the final author’s name. An additional point, which is not illustrated in these examples but is illustrated in the sample paper in Section 11.2 “Writing a Research Report in American Psychological Association (APA) Style”, is that the year only needs to be included the first time a particular work is cited in the same paragraph.

The second way to cite an article or a book chapter is parenthetically—including the authors’ last names and the year of publication in parentheses following the idea that is being credited. Here are some examples:

People can be surprisingly obedient to authority figures (Burger, 2008; Milgram, 1963).

Recent evidence suggests that men and women are similarly talkative (Mehl, Vazire, Ramirez-Esparza, Slatcher, & Pennebaker, 2007).

One thing to notice about such parenthetical citations is that they are often placed at the end of the sentence, which minimizes their disruption to the flow of that sentence. In contrast to the first way of citing a work, this way always includes the year—even when the citation is given multiple times in the same paragraph. Notice also that when there are multiple citations in the same set of parentheses, they are organized alphabetically by the name of the first author and separated by semicolons.

There are no strict rules for deciding which of the two citation styles to use. Most articles and book chapters contain a mixture of the two. In general, however, the first approach works well when you want to emphasize the person who conducted the research—for example, if you were comparing the theories of two prominent researchers. It also works well when you are describing a particular study in detail. The second approach works well when you are discussing a general idea and especially when you want to include multiple citations for the same idea.

The third most common error in Table 11.2 has to do with the use of  et al.  This is an abbreviation for the Latin term  et alia , which means “and others.” In APA style, if an article or a book chapter has more than two authors , you should include all their names when you first cite that work. After that, however, you should use the first author’s name followed by “et al.” Here are some examples:

Recall that Mehl et al. (2007) found that women and men spoke about the same number of words per day on average.

There is a strong positive correlation between the number of daily hassles and the number of symptoms people experience (Kanner et al., 1981).

Notice that there is no comma between the first author’s name and “et al.” Notice also that there is no period after “et” but there is one after “al.” This is because “et” is a complete word and “al.” is an abbreviation for the word  alia .

Key Takeaways

• APA style is a set of guidelines for writing in psychology. It is the genre of writing that psychologists use to communicate about their research with other researchers and practitioners.
• APA style can be seen as having three levels. There is the organization of a research article, the high-level style that includes writing in a formal and straightforward way, and the low-level style that consists of many specific rules of grammar, spelling, formatting of references, and so on.
• References and reference citations are an important part of APA style. There are specific rules for formatting references and for citing them in the text of an article.
• Practice: Find a description of a research study in a popular magazine, newspaper, blog, or website. Then identify five specific differences between how that description is written and how it would be written in APA style.
• Walters, F. T., and DeLeon, M. (2010). Relationship Between Intrinsic Motivation and Accuracy of Academic Self-Evaluations Among High School Students. Educational Psychology Quarterly, 23, 234–256.
• Moore, Lilia S. (2007). Ethics in survey research. In M. Williams & P. L. Lee (eds.), Ethical Issues in Psychology (pp. 120–156), Boston, Psychological Research Press.
• Vang, C., Dumont, L. S., and Prescott, M. P. found that left-handed people have a stronger preference for abstract art than right-handed people (2006).
• This result has been replicated several times (Williamson, 1998; Pentecost & Garcia, 2006; Armbruster, 2011)
• Publication Manual of the American Psychological Association (6th ed.) (2010). Washington, D.C.: American Psychological Association. ↵
• Bentley, M., Peerenboom, C. A., Hodge, F. W., Passano, E. B., Warren, H. C., & Washburn, M. F. (1929). Instructions in regard to preparation of manuscript.  Psychological Bulletin, 26 , 57–63. ↵
• Madigan, R., Johnson, S., & Linton, P. (1995). The language of psychology: APA style as epistemology.  American Psychologist, 50 , 428–436. ↵
• American Psychological Association, Committee on Lesbian, Gay, and Bisexual Concerns Joint Task Force on Guidelines for Psychotherapy With Lesbian, Gay, and Bisexual Clients. (2000). Guidelines for psychotherapy with lesbian, gay, and bisexual clients . Washington, DC: Author. Retrieved from https://web.archive.org/web/20081022063811/http://www.apa.org:80/pi/lgbc/guidelines.html ↵
• Onwuegbuzie, A. J., Combs, J. P., Slate, J. R., & Frels, R. K. (2010). Editorial: Evidence-based guidelines for avoiding the most common APA errors in journal article submissions. Research in the Schools, 16 , ix–xxxvi. ↵

A set of guidelines for writing in psychology and related fields.

A book produced by the APA containing standards for preparing manuscripts to be submitted for publication in order to facilitate scientific communication by promoting clarity of expression and standardizing the organization and content of articles and book chapters.

Referring to an article, the sections that are included and what order they appear in.

The second level of APA style which includes guidelines for the clear expression of ideas through writing style.

Third level of APA style which includes all the specific guidelines pertaining to spelling, grammar, references and reference citations, numbers and statistic, figures and tables, and so on.

The source of information used in a research article.

The referral to another researcher’s idea that is written in the text, with the full reference appearing in the reference list.

Research Methods in Psychology - 2nd Canadian Edition Copyright © 2015 by Paul C. Price, Rajiv Jhangiani, & I-Chant A. Chiang is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License , except where otherwise noted.

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16.1: Formatting a Research Paper

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Learning Objectives

• Identify the major components of a research paper written using American Psychological Association (APA) style.
• Apply general APA style and formatting conventions in a research paper.

In this chapter, you will learn how to use APA style, the documentation and formatting style followed by the American Psychological Association, as well as MLA style, from the Modern Language Association. There are a few major formatting styles used in academic texts, including AMA, Chicago, and Turabian:

• AMA (American Medical Association) for medicine, health, and biological sciences
• APA (American Psychological Association) for education, psychology, and the social sciences
• Chicago—a common style used in everyday publications like magazines, newspapers, and books
• MLA (Modern Language Association) for English, literature, arts, and humanities
• Turabian—another common style designed for its universal application across all subjects and disciplines

While all the formatting and citation styles have their own use and applications, in this chapter we focus our attention on the two styles you are most likely to use in your academic studies: APA and MLA.

If you find that the rules of proper source documentation are difficult to keep straight, you are not alone. Writing a good research paper is, in and of itself, a major intellectual challenge. Having to follow detailed citation and formatting guidelines as well may seem like just one more task to add to an already-too-long list of requirements.

Following these guidelines, however, serves several important purposes. First, it signals to your readers that your paper should be taken seriously as a student’s contribution to a given academic or professional field; it is the literary equivalent of wearing a tailored suit to a job interview. Second, it shows that you respect other people’s work enough to give them proper credit for it. Finally, it helps your reader find additional materials if he or she wishes to learn more about your topic.

Furthermore, producing a letter-perfect APA-style paper need not be burdensome. Yes, it requires careful attention to detail. However, you can simplify the process if you keep these broad guidelines in mind:

• Work ahead whenever you can. Chapter 11 includes tips for keeping track of your sources early in the research process, which will save time later on.
• Get it right the first time. Apply APA guidelines as you write, so you will not have much to correct during the editing stage. Again, putting in a little extra time early on can save time later.
• Use the resources available to you. In addition to the guidelines provided in this chapter, you may wish to consult the APA website at http://www.apa.org or the Purdue University Online Writing lab at http://owl.english.purdue.edu , which regularly updates its online style guidelines.

General Formatting Guidelines

This chapter provides detailed guidelines for using the citation and formatting conventions developed by the American Psychological Association, or APA. Writers in disciplines as diverse as astrophysics, biology, psychology, and education follow APA style. The major components of a paper written in APA style are listed in the following box.

These are the major components of an APA-style paper:

• Headings and, if necessary, subheadings to organize the content
• In-text citations of research sources
• References page

All these components must be saved in one document, not as separate documents.

The title page of your paper includes the following information:

• Title of the paper
• Author’s name
• Name of the institution with which the author is affiliated
• Header at the top of the page with the paper title (in capital letters) and the page number (If the title is lengthy, you may use a shortened form of it in the header.)

List the first three elements in the order given in the previous list, centered about one third of the way down from the top of the page. Use the headers and footers tool of your word-processing program to add the header, with the title text at the left and the page number in the upper-right corner. Your title page should look like the following example.

The next page of your paper provides an abstract, or brief summary of your findings. An abstract does not need to be provided in every paper, but an abstract should be used in papers that include a hypothesis. A good abstract is concise—about one hundred to one hundred fifty words—and is written in an objective, impersonal style. Your writing voice will not be as apparent here as in the body of your paper. When writing the abstract, take a just-the-facts approach, and summarize your research question and your findings in a few sentences.

In Chapter 12, you read a paper written by a student named Jorge, who researched the effectiveness of low-carbohydrate diets. Read Jorge’s abstract. Note how it sums up the major ideas in his paper without going into excessive detail.

Exercise \(\PageIndex{1}\)

Write an abstract summarizing your paper. Briefly introduce the topic, state your findings, and sum up what conclusions you can draw from your research. Use the word count feature of your word-processing program to make sure your abstract does not exceed one hundred fifty words.

Depending on your field of study, you may sometimes write research papers that present extensive primary research, such as your own experiment or survey. In your abstract, summarize your research question and your findings, and briefly indicate how your study relates to prior research in the field.

Margins, Pagination, and Headings

APA style requirements also address specific formatting concerns, such as margins, pagination, and heading styles, within the body of the paper. Review the following APA guidelines.

Use these general guidelines to format the paper:

• Set the top, bottom, and side margins of your paper at 1 inch.
• Use double-spaced text throughout your paper.
• Use a standard font, such as Times New Roman or Arial, in a legible size (10- to 12-point).
• Use continuous pagination throughout the paper, including the title page and the references section. Page numbers appear flush right within your header.
• Section headings and subsection headings within the body of your paper use different types of formatting depending on the level of information you are presenting. Additional details from Jorge’s paper are provided.

Exercise \(\PageIndex{2}\)

Begin formatting the final draft of your paper according to APA guidelines. You may work with an existing document or set up a new document if you choose. Include the following:

• Your title page
• The abstract you created in Exercise 1
• Correct headers and page numbers for your title page and abstract

APA style uses section headings to organize information, making it easy for the reader to follow the writer’s train of thought and to know immediately what major topics are covered. Depending on the length and complexity of the paper, its major sections may also be divided into subsections, sub-subsections, and so on. These smaller sections, in turn, use different heading styles to indicate different levels of information. In essence, you are using headings to create a hierarchy of information.

The following heading styles used in APA formatting are listed in order of greatest to least importance:

• Section headings use centered, boldface type. Headings use title case, with important words in the heading capitalized.
• Subsection headings use left-aligned, boldface type. Headings use title case.
• The third level uses left-aligned, indented, boldface type. Headings use a capital letter only for the first word, and they end in a period.
• The fourth level follows the same style used for the previous level, but the headings are boldfaced and italicized.
• The fifth level follows the same style used for the previous level, but the headings are italicized and not boldfaced.

Visually, the hierarchy of information is organized as indicated in Table 13.1 “Section Headings”.

A college research paper may not use all the heading levels shown in Table 13.1 “Section Headings”, but you are likely to encounter them in academic journal articles that use APA style. For a brief paper, you may find that level 1 headings suffice. Longer or more complex papers may need level 2 headings or other lower-level headings to organize information clearly. Use your outline to craft your major section headings and determine whether any subtopics are substantial enough to require additional levels of headings.

Exercise \(\PageIndex{3}\)

Working with the document you developed in Note 13.11 “Exercise 2”, begin setting up the heading structure of the final draft of your research paper according to APA guidelines. Include your title and at least two to three major section headings, and follow the formatting guidelines provided above. If your major sections should be broken into subsections, add those headings as well. Use your outline to help you.

Because Jorge used only level 1 headings, his Exercise 3 would look like the following:

Citation Guidelines

In-text citations.

Throughout the body of your paper, include a citation whenever you quote or paraphrase material from your research sources. As you learned in Chapter 11, the purpose of citations is twofold: to give credit to others for their ideas and to allow your reader to follow up and learn more about the topic if desired. Your in-text citations provide basic information about your source; each source you cite will have a longer entry in the references section that provides more detailed information.

In-text citations must provide the name of the author or authors and the year the source was published. (When a given source does not list an individual author, you may provide the source title or the name of the organization that published the material instead.) When directly quoting a source, it is also required that you include the page number where the quote appears in your citation.

This information may be included within the sentence or in a parenthetical reference at the end of the sentence, as in these examples.

Epstein (2010) points out that “junk food cannot be considered addictive in the same way that we think of psychoactive drugs as addictive” (p. 137).

Here, the writer names the source author when introducing the quote and provides the publication date in parentheses after the author’s name. The page number appears in parentheses after the closing quotation marks and before the period that ends the sentence.

Addiction researchers caution that “junk food cannot be considered addictive in the same way that we think of psychoactive drugs as addictive” (Epstein, 2010, p. 137).

Here, the writer provides a parenthetical citation at the end of the sentence that includes the author’s name, the year of publication, and the page number separated by commas. Again, the parenthetical citation is placed after the closing quotation marks and before the period at the end of the sentence.

As noted in the book Junk Food, Junk Science (Epstein, 2010, p. 137), “junk food cannot be considered addictive in the same way that we think of psychoactive drugs as addictive.”

Here, the writer chose to mention the source title in the sentence (an optional piece of information to include) and followed the title with a parenthetical citation. Note that the parenthetical citation is placed before the comma that signals the end of the introductory phrase.

David Epstein’s book Junk Food, Junk Science (2010) pointed out that “junk food cannot be considered addictive in the same way that we think of psychoactive drugs as addictive” (p. 137).

Another variation is to introduce the author and the source title in your sentence and include the publication date and page number in parentheses within the sentence or at the end of the sentence. As long as you have included the essential information, you can choose the option that works best for that particular sentence and source.

Citing a book with a single author is usually a straightforward task. Of course, your research may require that you cite many other types of sources, such as books or articles with more than one author or sources with no individual author listed. You may also need to cite sources available in both print and online and nonprint sources, such as websites and personal interviews. Section 13.2 and Section 13.3 provide extensive guidelines for citing a variety of source types.

writing at work

APA is just one of several different styles with its own guidelines for documentation, formatting, and language usage. Depending on your field of interest, you may be exposed to additional styles, such as the following:

• MLA style. Determined by the Modern Languages Association and used for papers in literature, languages, and other disciplines in the humanities.
• Chicago style. Outlined in the Chicago Manual of Style and sometimes used for papers in the humanities and the sciences; many professional organizations use this style for publications as well.
• Associated Press (AP) style. Used by professional journalists.

References List

The brief citations included in the body of your paper correspond to the more detailed citations provided at the end of the paper in the references section. In-text citations provide basic information—the author’s name, the publication date, and the page number if necessary—while the references section provides more extensive bibliographical information. Again, this information allows your reader to follow up on the sources you cited and do additional reading about the topic if desired.

The specific format of entries in the list of references varies slightly for different source types, but the entries generally include the following information:

• The name(s) of the author(s) or institution that wrote the source
• The year of publication and, where applicable, the exact date of publication
• The full title of the source
• For books, the city of publication
• For articles or essays, the name of the periodical or book in which the article or essay appears
• For magazine and journal articles, the volume number, issue number, and pages where the article appears
• For sources on the web, the URL where the source is located

The references page is double spaced and lists entries in alphabetical order by the author’s last name. If an entry continues for more than one line, the second line and each subsequent line are indented five spaces. Review the following example. (Section 13.3 provides extensive guidelines for formatting reference entries for different types of sources.)

In APA style, book and article titles are formatted in sentence case, not title case. Sentence case means that only the first word is capitalized, along with any proper nouns.

Key Takeaways

• Following proper citation and formatting guidelines helps writers ensure that their work will be taken seriously, give proper credit to other authors for their work, and provide valuable information to readers.
• Working ahead and taking care to cite sources correctly the first time are ways writers can save time during the editing stage of writing a research paper.
• APA papers usually include an abstract that concisely summarizes the paper.
• APA papers use a specific headings structure to provide a clear hierarchy of information.
• In APA papers, in-text citations usually include the name(s) of the author(s) and the year of publication.
• In-text citations correspond to entries in the references section, which provide detailed bibliographical information about a source.

Child Behavioral Health

• Background Information
• Data/Statistics
• Citing in APA Style

UO Portland Library Help

College of Education Librarian

This page is intended as a general introduction to citing sources using the bibliographic style established by the American Psychological Association (APA). For more complete details, see the most recent edition of the Publication Manual of the American Psychological Association (REF KNIGHT BF76.7 .P83 2020). Note that the manual includes essential information on manuscript preparation (e.g., margins, use of the passive voice), creating figures and tables, and ethics.

In October 2019, the American Psychological Association published its 7th edition of the APA Publication Manual, which replaced the 6th edition from 2009. To learn about the major changes in the APA guidelines, please consult this  video tutorial . 

Additional Resources:

Online Resources

• APA Style - Excelsior OWL
• APA Reference Examples (Official)

Sample References

Sample list of references.

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Purdue Online Writing Lab (OWL)

Apa style (7th edition) resources, chicago style (17th edition) resources, mla style (9th edition) resources, social sciences & data literacy librarian.

The Purdue Online Writing Lab (OWL) offers detailed information about the most common citation formats:  APA ,  MLA , and  Chicago Manual of Style . These links will take you to general format information. Use the left sidebar on the Purdue OWL page to find more specific information about citation styles for different types of sources.

• APA Style Help

APA Style guidelines  for citing ChatGPT.

Much like the policies on using Generative AI, like ChatGPT, the citation requirements for GenAI will vary from course to course. Always check with your professor for their AI citation expectations.

• Chicago Manual of Style Quick Guide

Chicago Style  guidelines  for citing ChatGPT.

• MLA Style Center

MLA Style  guidelines  for citing ChatGPT.

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