Citazione Stile APA (7a Edizione)

LEWIS, W. C. (1972). Why People Change: The psychology of influence. Holt, Rinehart and Wins-ton.

Citazione stile Chigago Style (17a edizione)

LEWIS, William C. Why People Change: The Psychology of Influence. New York: Holt, Rinehart and Wins-ton, 1972.

Citatione MLA (9a ed.)

LEWIS, William C. Why People Change: The Psychology of Influence. Holt, Rinehart and Wins-ton, 1972.