APA (7th ed.) Citation

Watts, D. J. (2011). Everything is obvious: Once you know the answer. Crown Business.

Chicago Style (17th ed.) Citation

Watts, Duncan J. Everything Is Obvious: Once You Know the Answer. New York: Crown Business, 2011.

MLA (8th ed.) Citation

Watts, Duncan J. Everything Is Obvious: Once You Know the Answer. Crown Business, 2011.