APA način citiranja (7. izdanje)

Carkhuff, R. R. (1983). The art of helping (5th ed.). Human Resource Development Press.

Čikaški stil citiranja (17. izdanje)

Carkhuff, Robert R. The Art of Helping. 5th ed. Amherst, Massachuttes: Human Resource Development Press, 1983.

MLA način citiranja (9. izdanje)

Carkhuff, Robert R. The Art of Helping. 5th ed. Human Resource Development Press, 1983.