APA (7th ed.) Citation

Carkhuff, R. R. (1983). The student workbook for The art of helping (2nd ed.). Human Resource Development Press.

Chicago Style (17th ed.) Citation

Carkhuff, Robert R. The Student Workbook for The Art of Helping. 2nd ed. Amherst, Mass.: Human Resource Development Press, 1983.

MLA (9th ed.) Citation

Carkhuff, Robert R. The Student Workbook for The Art of Helping. 2nd ed. Human Resource Development Press, 1983.