Linzey, A. (2009). Why Animal Suffering Matters: Philosophy, theology, and practical ethics. New York: Oxford University Press.
E-Book: For references to e-book editions, be sure to include the type and version of e-book you are references (e.g., "[Kindle DX version]"). If DOIs are available, provide them at the end of the reference.
Davis, J. (n.d.). Familiar birdsongs of the Northwest. Available from http://www.powells.com/cgi-bin/biblio?inkey=1-9780931686108-0.
E-Journal (from a database)
Smyth, A. M., Parker, A. L., & Pease, D. L. (2002). A study of enjoyment of peas. Journal of Abnormal Eating, 8(3), 120-125. Retrieved from
Angeli, E., Wagner, J., Lawrick, E., Moore, K., Anderson, M., Soderland, L., & Brizee, A. (2010, May 5). General format. Retrieved from http://owl.english.purdue.edu/owl/resource/560/01/