Western Libraries

How do I cite personal communication (i.e. e-mail)?

E-mail messages are treated as personal communications, and because they do not contain recoverable information, they are not included in the reference list. 

See the explanation on the APA Style website for more details:

http://www.apastyle.org/learn/faqs/cite-individual-email.aspx

APA Manual

 All information and page number references are based on the 6th edition of the Publication Manual of the American Psychological Association (2009/10).