APA (7th ed.) Citation

Carkhuff, R. R., & Anderson, D. D. (1987). The Art of helping VI (6th. ed.). Human Resource Development Press.

Chicago Style (17th ed.) Citation

Carkhuff, Robert R., and Debra Decker Anderson. The Art of Helping VI. 6th. ed. Amherst: Human Resource Development Press, 1987.

MLA (9th ed.) Citation

Carkhuff, Robert R., and Debra Decker Anderson. The Art of Helping VI. 6th. ed. Human Resource Development Press, 1987.