APA (7th ed.) Citation

Shephern. (2005). 101 ways to improve your memory. Reader's Digest.

Chicago Style (17th ed.) Citation

Shephern. 101 Ways to Improve Your Memory. New York: Reader's Digest, 2005.

MLA (8th ed.) Citation

Shephern. 101 Ways to Improve Your Memory. Reader's Digest, 2005.