Gaya APA

May, R. (1939). The art of counseling: a practical guide with case studies and demonstrations. Introd. by Harry Bone. . New York dsl: Abingdon Press.

Gaya MLA

May, Rollo. "The art of counseling: a practical guide with case studies and demonstrations. Introd. by Harry Bone. ". New York dsl: Abingdon Press, 1939. Buku.