APA (7th ed.) Citation

Lyubomirsky, S., & Lopez, S. J. (2008). Positive psychology: Exploring the best in people. Praeger.

Chicago Style (17th ed.) Citation

Lyubomirsky, Sonja, and Shane J. Lopez. Positive Psychology: Exploring the Best in People. Westport [etc.]: Praeger, 2008.

MLA (9th ed.) Citation

Lyubomirsky, Sonja, and Shane J. Lopez. Positive Psychology: Exploring the Best in People. Praeger, 2008.