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Bibliography Alphabetical Order Same Author Same Year Apa

One author 

Give the author's name and the year of publication. If the author's name is stated in the sentence, always place the year in parentheses immediately after the name.

(Clark, 1998).

Clark's (1998) study shows that . . .

 

Two authors 

Give both names separated by the word and when including the names in the text of a sentence. For citations in parentheses use an ampersand (&).

Flannigan and McBride (2001) state the results...

(Flannigan & McBride, 2001).

 

Three-five authors 

Give all the authors names for the first in-text citation, then use et al. for subsequent citations.

(FIRST citation) Sawyer, Jimmerson, Bradley, Connors, and Ramirez (2010)...

Sawyer et al. (2010)...

OR 

(FIRST citation) (Sawyer, Jimmerson, Bradley, Connors, & Ramirez, 2010).

(Sawyer et al., 2010).

 

Six or more authors 

Give only the first author's name followed by et al. (not in italics) and the year for all in-text citations.

Martinez et al. (1990) describe...

(Martinez et al., 1990)

If the first author's name and the years of publications are the same for several references, include enough additional co-author names to eliminate ambiguity. Include a comma after the last name.

(Martinez, Fuentes, et al., 1990).

(Martinez, Aguilar, et al., 1990).

 

Multiple works by the same author 

For works published in the same year by the same author, add alphabetic designators to the year in both the in-text reference and reference list.

(Anderson, 1997a, 1997b).

For works published in different years by the same author, place years in chronological sequence separated by commas.

       (McBride, 2003, 2007).

 

Authors with the same surname 

When authors of 2 works published in the same year have the same surname, include the initials of the author in the in-text citation and separate the names by a semicolon and space. When using initials in the text of a sentence do not invert the first name.

J. Dawson (1986) and T. Dawson (1986) accept the...

(Dawson, J., 1986; Dawson, T., 1986)

 

Organizations as authors 

If an organizational author is referenced only once or twice in a document, the full organizational name is acceptable. A shortened form can be used in the in-text reference if the organization has a familiar abbreviation. If using an abbreviated name for an organization, spell out the full name the first time referenced and give the abbreviation.

FIRST citation National Library of Medicine (NLM, 2005)...

NLM (2005) started...

OR 

FIRST citation (National Library of Medicine [NLM], 2005).

(NLM, 2005).

 

Works without authors 

Begin the in-text reference with the first word or first few words of the title, followed by a comma (a lengthy title may be shortened). Titles of an article, chapter or web page should be placed in double quotation marks. Titles of a periodical, book, report, or brochure should be italicized.

ARTICLE title ("A New Deal," 2003).

BOOK title (The Open Box, 1823).

LONG book title (Handbook of Geriatric, 2000).

Reference: Handbook of geriatric drug therapy. (2000). Springhouse, PA: Springhouse.

 

Works with Anonymous listed as author 

When a title lists the author of a work as Anonymous give the word Anonymous as the author's name in-text and in the reference list. Do not use the term Anonymous for works without authors listed.

Anonymous (1983) said...

(Anonymous, 1983). 

 

Works without dates 

Place the abbreviation n.d. (for no date) in place of the year for in-text citations and the reference list.

Brigmeyer (n.d.) associates...

(Brigmeyer, n.d.).

 

Works without Pagination (when using a direct quote)

Use the abbreviation para. to indicate a numbered paragraph rather than a page number.

Horowitz (2011) says, "those who..." (para. 3).

He says, "those who..." (Horowitz, 2011, para. 3).

OR

When no page numbers or paragraph numbers are present, use a heading title and the number of the paragraph after the heading. Click here to see the sample reference below.

Kona (2010) says of George Carlin's humor that, "comedy is a disguise for unmasking other faces" ("The Carlinesque in George Carlin," para 2).

The author likens George Carlin's humor to "a disguise for unmasking other faces" (Kona, 2010, "The Carlinesque of George Carlin," para. 2).

 

Personal communications 

Personal communications (interviews, e-mail correspondence, lectures, etc.) should be used sparingly. When citing personal communications only cite this material in text, do not include personal communication citations in the reference list. They are excluded from the reference list because this is unrecoverable data. Give the name of the speaker and the exact date.

A. M. Raulson (personal communication, January 28, 2007) says...

(T. J. Mavin, personal communication, April 15, 2009). 

 

Secondary Sources

Sometimes you need to reference an idea using secondhand knowledge. This should be done rarely, it is always better to read the original work to get the most objective meaning. You ALWAYS cite the material you have in front of you, never use another author's references to cite material you have not accessed. When a work is out of print or hard to find, you may wish to use that author's idea in your paper. You need to give credit to the original author/thinker, but you cite the material you found it in, this way the reader can find the material as well. If you reference an out of print/hard to find item, your reader will not be able to find the same material.

Rawlings said (as cited in Belleville, 2006, p. 8), "We need above all...a certain remoteness from urban confusion."

In the reference list cite the work YOU read:

Belleville, B. (2006). Losing it all to sprawl: How progress ate my cracker landscape. Gainesville, FL: University Press of Florida.

 


Direct Quotations


Direct quotes should be used sparingly in any research paper. Use direct quotes to emphasize a particularly original turn of phrase or when technical lingo does not allow for proper rephrasing. When directly quoting, enclose the entire quote in quotation marks, copy the original wording exactly, and provide a page/line/paragraph number (when available).

Moffett (2010) goes into great detail about the predatory and army-like nature of a colony of ants ensnaring its meal, "the more the worm or grasshopper struggles, the more the masses converge on it...all the little ant jaws hold their prey taut" (p.39).

Block quotations are direct quotations that contain 40 words or more. When quoting more than 40 words, do not use quotation marks; instead, set off the direct quote starting it on a new line and indenting a half inch from the margin.

The authors categorize chronic neck pain,

when symptoms are present for 3 or more months, with either recurrent (multiple episodes separated by
periods of recovery) or persistent (no periods of recovery) pain. Strong evidence suggests that biomechanical factors,
including repetitive movements, prolonged computer use, and poor workstation design, are associated with
the development of neck pain. (Bruflat, Balter, McGuire, Fethk, & Maluf, 2012, p. 1349)

 

Multiple Citations by the Same Author in One Paragraph

Sometimes you might use the same soure of information for an entire paragraph. In this case, you do not need to reference the author and year at the end of each sentence. You would want to provide the full in-text citation at the beginning and the end of the paragraph, but the sentences in between can reference just the author or organization. If you place the author's name in parentheses, then provide the year too.

According to Spitzer's (2010) study the effects of radiation on humans presents...Spitzer's study developed the guidelines needed to test...The most important find in Spitzer's study was that....Spitzer concluded the benefit of radiation...The evidence that proves these guidelines work...(Spitzer, 2010).

Reference List: Author/Authors

Summary:

APA (American Psychological Association) style is most commonly used to cite sources within the social sciences. This resource, revised according to the 6th edition, second printing of the APA manual, offers examples for the general format of APA research papers, in-text citations, endnotes/footnotes, and the reference page. For more information, please consult the Publication Manual of the American Psychological Association, (6th ed., 2nd printing).

Contributors: Joshua M. Paiz, Elizabeth Angeli, Jodi Wagner, Elena Lawrick, Kristen Moore, Michael Anderson, Lars Soderlund, Allen Brizee, Russell Keck
Last Edited: 2018-02-21 02:53:07

The following rules for handling works by a single author or multiple authors apply to all APA-style references in your reference list, regardless of the type of work (book, article, electronic resource, etc.).

Single Author

Last name first, followed by author initials.

Berndt, T. J. (2002). Friendship quality and social development. Current Directions in Psychological Science, 11, 7-10.

Two Authors

List by their last names and initials. Use the ampersand instead of "and."

Wegener, D. T., & Petty, R. E. (1994). Mood management across affective states: The hedonic contingency hypothesis. Journal of Personality and Social Psychology, 66, 1034-1048.

Three to Seven Authors

List by last names and initials; commas separate author names, while the last author name is preceded again by ampersand.

Kernis, M. H., Cornell, D. P., Sun, C. R., Berry, A., Harlow, T., & Bach, J. S. (1993). There's more to self-esteem than whether it is high or low: The importance of stability of self-esteem. Journal of Personality and Social Psychology, 65, 1190-1204.

More Than Seven Authors

List by last names and initials; commas separate author names. After the sixth author's name, use an ellipses in place of the author names. Then provide the final author name. There should be no more than seven names. 

Miller, F. H., Choi, M. J., Angeli, L. L., Harland, A. A., Stamos, J. A., Thomas, S. T., . . . Rubin, L. H. (2009). Web site usability for the blind and low-vision user. Technical Communication, 57, 323-335.

Organization as Author

American Psychological Association. (2003).

Unknown Author

Merriam-Webster's collegiate dictionary (10th ed.). (1993). Springfield, MA: Merriam-Webster.

NOTE: When your essay includes parenthetical citations of sources with no author named, use a shortened version of the source's title instead of an author's name. Use quotation marks and italics as appropriate. For example, parenthetical citations of the source above would appear as follows: (Merriam-Webster's, 1993).

Two or More Works by the Same Author

Use the author's name for all entries and list the entries by the year (earliest comes first).

Berndt, T. J. (1981).

Berndt, T. J. (1999).

When an author appears both as a sole author and, in another citation, as the first author of a group, list the one-author entries first.

Berndt, T. J. (1999). Friends' influence on students' adjustment to school. Educational Psychologist, 34, 15-28.

Berndt, T. J., & Keefe, K. (1995). Friends' influence on adolescents' adjustment to school. Child Development, 66, 1312-1329.

References that have the same first author and different second and/or third authors are arranged alphabetically by the last name of the second author, or the last name of the third if the first and second authors are the same.

Wegener, D. T., Kerr, N. L., Fleming, M. A., & Petty, R. E. (2000). Flexible corrections of juror judgments: Implications for jury instructions. Psychology, Public Policy, and Law, 6, 629-654.

Wegener, D. T., Petty, R. E., & Klein, D. J. (1994). Effects of mood on high elaboration attitude change: The mediating role of likelihood judgments. European Journal of Social Psychology, 24, 25-43.

Two or More Works by the Same Author in the Same Year

If you are using more than one reference by the same author (or the same group of authors listed in the same order) published in the same year, organize them in the reference list alphabetically by the title of the article or chapter. Then assign letter suffixes to the year. Refer to these sources in your essay as they appear in your reference list, e.g.: "Berdnt (1981a) makes similar claims..."

Berndt, T. J. (1981a). Age changes and changes over time in prosocial intentions and behavior between friends. Developmental Psychology, 17, 408-416.

Berndt, T. J. (1981b). Effects of friendship on prosocial intentions and behavior. Child Development, 52, 636-643.

Introductions, Prefaces, Forewords, and Afterwords

Cite the publishing information about a book as usual, but cite Introduction, Preface, Foreword, or Afterword (whatever title is applicable) as the chapter of the book.

Funk, R., & Kolln, M. (1998). Introduction. In E. W. Ludlow (Ed.), Understanding English grammar (pp. 1-2). Needham, MA: Allyn and Bacon.

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