APA (7th ed.) Citation

Chopra, D. (2009). The ultimate happiness prescription: 7 keys to joy and enlightenment. Harmony Books.

Chicago Style (17th ed.) Citation

Chopra, Deepak. The Ultimate Happiness Prescription: 7 Keys to Joy and Enlightenment. New York: Harmony Books, 2009.

MLA (8th ed.) Citation

Chopra, Deepak. The Ultimate Happiness Prescription: 7 Keys to Joy and Enlightenment. Harmony Books, 2009.

Warning: These citations may not always be 100% accurate.