APA

Mahoney S. C., . (1967). The art of helping people effectively. New York: Association Press.

Chicago

Mahoney Stanley C, . 1967. The art of helping people effectively. New York: Association Press.

Harvard

Mahoney S. C., . (1967). The art of helping people effectively. New York: Association Press.

MLA

Mahoney Stanley C, . The art of helping people effectively. New York: Association Press. 1967.