APA

Lewis W. C., . (1972). Why people change: the psychology of influence. New York: Holt, Rinehart and Winston.

Chicago

Lewis William Champlin, . 1972. Why people change: the psychology of influence. New York: Holt, Rinehart and Winston.

Harvard

Lewis W. C., . (1972). Why people change: the psychology of influence. New York: Holt, Rinehart and Winston.

MLA

Lewis William Champlin, . Why people change: the psychology of influence. New York: Holt, Rinehart and Winston. 1972.