APA (7th ed.) Citation

Baumgardner, S. R., & Crothers, M. K. (2014). Positive psychology (First edition.). Prentice Hall.

Chicago Style (17th ed.) Citation

Baumgardner, Steve R., and Marie K. Crothers. Positive Psychology. First edition. Upper Saddle River, N.J.: Prentice Hall, 2014.

MLA (9th ed.) Citation

Baumgardner, Steve R., and Marie K. Crothers. Positive Psychology. First edition. Prentice Hall, 2014.