eBooks

For eBooks from an online library, such as ebrary, include the DOI or full hyperlink address.

Ebrary

Burns, M. (2007). About Teaching Mathematics: A K-8 Resource (3rd ed.). Retrieved from http://site.ebrary.com/lib/bankstreet/docDetail.action?docID=10223849

Physical Device

For eBooks downloaded to a physical device, e.g., Kindle[1], Sony Reader, or Nook include the e-reader version in square brackets. Include the DOI or if there isn’t one, the site the eBook was downloaded from.

Gladwell, M. (2008). Outliers: The story of success [Kindle DX version]. Retrieved from http://www.amazon.com/

Brill, P. (2004). The winner’s way [Adobe Digital Editions version]. doi:10.1036/007142363X

(American Psychological Association,  2010, p. 203)