Cita APA (7a ed.)

Baumgardner, S., & Crothers, M. (2014). Positive psychology (First edition, Pearson new international edition.). Pearson.

Cita Chicago Style (17a ed.)

Baumgardner, Steve, y Marie Crothers. Positive Psychology. First edition, Pearson new international edition. Harlow, England: Pearson, 2014.

Cita MLA (8a ed.)

Baumgardner, Steve, y Marie Crothers. Positive Psychology. First edition, Pearson new international edition. Pearson, 2014.