Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.