APA (7th ed.) Citation

Sutherland, V., & Cooper, C. (1998). 30 minutes...to deal with difficult people. Kogan Page.

Chicago Style (17th ed.) Citation

Sutherland, Valerie, and Cary Cooper. 30 Minutes...to Deal with Difficult People. London: Kogan Page, 1998.

MLA (9th ed.) Citation

Sutherland, Valerie, and Cary Cooper. 30 Minutes...to Deal with Difficult People. Kogan Page, 1998.

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