APA (7th ed.) Citation

Hoover, J. (2007). Difficult People. HarperCollins.

Chicago Style (17th ed.) Citation

Hoover, John. Difficult People. New York: HarperCollins, 2007.

MLA (9th ed.) Citation

Hoover, John. Difficult People. HarperCollins, 2007.

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