Adams, B. (2004). The theory of social revolutions. Retrieved from http://www.gutenberg.org/catalog/world/readfile?fk_files=44092 (Original work published 1913)
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Davidson, P. (2009). The Keynes solution: The path to global economic prosperity [Nook version]. Retrieved from http://www.barnesandnoble.com/
Chapter in an online book
Clinton, S. J. (1999). What can be done to prevent childhood obesity? In Understanding childhood obesity (pp. 81-98). Retrieved from http://www.questia.com/
Berlinski, M. (2011). Port-au-Prince: The moment. In E. Danticat (Ed.), The best American essays 2011 [Nook version] (pp. 22-30). Retrieved from http://www.barnesandnoble.com/
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Explain
Give the URL or DOI for the book instead of print publication information.
Give the original publication date for a republished book. In your in-text citation, give both years: (Adams, 1913/2004).
For an e-book that you downloaded and read on an e-reader, add the e-reader type in brackets after the book title (“Nook version,” “Kindle version,” “Sony Reader version”).
For a chapter in an online book or e-book, give the page numbers if the book is paginated.
Note on breaking URLs and DOIs
If you must break a URL or a DOI at the end of a line, break it after a double slash or before any other mark of punctuation.
Do not add a hyphen.
Do not put a period at the end of the entry.
Directory to APA reference list models
Exercise: APA documentation: identifying elements of sources
Exercise: APA documentation: reference list 1
Exercise: APA documentation: reference list 2
Exercise: APA documentation: reference list 3
Exercise: APA documentation