APA (7th ed.) Citation

Diener, E., & Biswas-Diener, R. (2011). Happiness: Unlocking the mysteries of psychological wealth. Blackwell.

Chicago Style (17th ed.) Citation

Diener, Ed, and Robert Biswas-Diener. Happiness: Unlocking the Mysteries of Psychological Wealth. Malden (Massachusetts) [etc.]: Blackwell, 2011.

MLA (9th ed.) Citation

Diener, Ed, and Robert Biswas-Diener. Happiness: Unlocking the Mysteries of Psychological Wealth. Blackwell, 2011.