Cita APA (7a ed.)

Baumgardner, S. R., & Crothers, M. K. (2010). Positive psychology (International ed.). Pearson Education.

Cita Chicago Style (17a ed.)

Baumgardner, Steve R., y Marie K. Crothers. Positive Psychology. International ed. Upper Saddle River, New Jersey: Pearson Education, 2010.

Cita MLA (9a ed.)

Baumgardner, Steve R., y Marie K. Crothers. Positive Psychology. International ed. Pearson Education, 2010.