E-book
Author, A. A. (Year). Title of book [E-reader version, if applicable]. Retrieved from http://xxxxxx
Notes
Provide information about the version in brackets.
When a book is a retrieved online, the location and publisher are not included in the citation. Use the URL for the publisher.
Do not include a period after the URL in the retrieval statement as it may be interpreted as part of the URL.
More Examples
Author, A. A. (Year). Title of book [E-reader version, if applicable]. Retrieved from http://xxxxxx
Rosellini, G., & Worden, M. (2010). Of course you’re angry: A guide to dealing with the emotions of substance abuse (Rev. ed.) [Kindle DX version]. Retrieved from http://www.amazon.com