Cita APA (7a ed.)

Leimon, A., & McMahon, G. (2009). Positive psychology for dummies. Wiley.

Cita Chicago Style (17a ed.)

Leimon, Averil, y Gladeana,‏ McMahon. Positive Psychology for Dummies. Chichester [etc.]: Wiley, 2009.

Cita MLA (9a ed.)

Leimon, Averil, y Gladeana,‏ McMahon. Positive Psychology for Dummies. Wiley, 2009.