APA (7th ed.) Citation

Okun, B. F. (1976). Effective helping: Interviewing and counseling techniques. Duxbury Press.

Chicago Style (17th ed.) Citation

Okun, Barbara F. Effective Helping: Interviewing and Counseling Techniques. North Scituate, Mass.: Duxbury Press, 1976.

MLA (8th ed.) Citation

Okun, Barbara F. Effective Helping: Interviewing and Counseling Techniques. Duxbury Press, 1976.