APA (7th ed.) Citation

Thaler, Koval, & Leno. (2006). The power of nice: How to conquer the business world with kindness. Currency/Doubleday.

Chicago Style (17th ed.) Citation

Thaler, Koval, and Leno. The Power of Nice: How to Conquer the Business World with Kindness. New York: Currency/Doubleday, 2006.

MLA (8th ed.) Citation

Thaler, et al. The Power of Nice: How to Conquer the Business World with Kindness. Currency/Doubleday, 2006.