Style de citation APA (7e éd.)

Carkhuff, R. R. (1969). Helping and human relations: A primer for lay and professional helpers. Holt, Rinehart and Winston.

Style de citation Chicago (17e éd.)

Carkhuff, Robert R. Helping and Human Relations: A Primer for Lay and Professional Helpers. New York: Holt, Rinehart and Winston, 1969.

Style de citation MLA (8e éd.)

Carkhuff, Robert R. Helping and Human Relations: A Primer for Lay and Professional Helpers. Holt, Rinehart and Winston, 1969.