APA

Kanfer F. H., Goldstein A. P., . (1975). Helping people change: a textbook of methods. New York: Pergamon Press.

Chicago

Kanfer Frederick H, Goldstein Arnold P, . 1975. Helping people change: a textbook of methods. New York: Pergamon Press.

Harvard

Kanfer F. H., Goldstein A. P., . (1975). Helping people change: a textbook of methods. New York: Pergamon Press.

MLA

Kanfer Frederick H, Goldstein Arnold P, . Helping people change: a textbook of methods. New York: Pergamon Press. 1975.