MLA

Whistler, James McNeill, and Alfred Werner. The Gentle Art of Making Enemies. New York: Dover Publications, 1967.

APA

Whistler, J. McNeill, & Werner, A. (1967). The gentle art of making enemies. New York: Dover Publications.

Chicago

Whistler, James McNeill, and Alfred Werner. The Gentle Art of Making Enemies. New York: Dover Publications, 1967.