APA (7th ed.) Citation

LUN, Dobson, M. S., & Lundin, K. (2009). Working with difficult people. AMACOM.

Chicago Style (17th ed.) Citation

LUN, Michael Singer Dobson, and Kathleen Lundin. Working with Difficult People. New York: AMACOM, 2009.

MLA (9th ed.) Citation

LUN, et al. Working with Difficult People. AMACOM, 2009.