Example: Gleick, James. If the book has 2 or 3 authors, separate authors’ names with commas, using the word “and” before the last author’s name. Only the first author’s name is inverted. For example: Gillespie, Paul and Neal Lerner. If the book has more than 3 authors, use the first author’s name, followed by a comma and the Latin abbreviation “et. al. " For example: Wysocki, Anne Frances, et. al.

Example: Gleick, James. Chaos: Making a New Science.

Example: Gleick, James. Chaos: Making a New Science. Penguin, 1987. If you used an ebook rather than a print edition, list the type of ebook as a “version” or “edition” of the book, before the publisher’s name. [4] X Research source For example: Gleick, James. Chaos: Making a New Science. Kindle ed. , Penguin, 1987.

For example, you might write: “While weather can be expressed in averages and statistics, the reality of nature is that nothing ever happens exactly the same way twice (Gleick 12). " If you use the author’s name in the body of your paper, only include the page number or page range in your parenthetical citation.

Example: Calfee, R. C. , & Valencia, R. R. (1991).

Example: Calfee, R. C. , & Valencia, R. R. (1991). APA guide to preparing manuscripts for journal publication. If you used an ebook, provide the ebook type in square brackets after the title. Do not italicize the bracketed information. Place the period outside the closing brackets rather than at the end of the title. [8] X Research source For example: Calfee, R. C. , & Valencia, R. R. (1991). APA guide to preparing manuscripts for journal publication [Kindle ed. ].

Example: Calfee, R. C. , & Valencia, R. R. (1991). APA guide to preparing manuscripts for journal publication. Washington, DC: American Psychological Association.

For example, you might write: “A journal article is tighter and more restrained than a dissertation (Calfee & Valencia, 1991). " If you include the author’s name in the body of your paper, add a parenthetical immediately after the name with the year of publication. When you quote from the source directly, include the page number or page range where the quoted material can be found in your citation. Place a comma after the year of publication, then the abbreviation “p. " or “pp. " followed by the page number or range.

Example: Mock, Douglas W. , and Geoffrey A. Parker.

Example: Mock, Douglas W. , and Geoffrey A. Parker. The Evolution of Sibling Rivalry.

Example: Mock, Douglas W. , and Geoffrey A. Parker. The Evolution of Sibling Rivalry. Oxford: Oxford University Press, 1997. If you accessed an ebook rather than a print book, indicate the ebook edition at the end of the citation. [14] X Research source For example: Mock, Douglas W. , and Geoffrey A. Parker. The Evolution of Sibling Rivalry. Oxford: Oxford University Press, 1997. Kindle edition.

Example: Douglas W. Mock and Geoffrey A. Parker, The Evolution of Sibling Rivalry (Oxford: Oxford University Press, 1997), 72.