APA (7th ed.) Citation

Levitt, S. D., & Dubner, S. J. (2014). Think like a freak. William Morrow.

Chicago Style (17th ed.) Citation

Levitt, Steven D., and Stephen J. Dubner. Think like a Freak. New York: William Morrow, 2014.

MLA (9th ed.) Citation

Levitt, Steven D., and Stephen J. Dubner. Think like a Freak. William Morrow, 2014.