APA (7th ed.) Citation

Corey, G., Corey, M. S., & Callanan, P. (1979). Professional and ethical issues in counseling and psychotherapy. Brooks/Cole Pub. Co..

Chicago Style (17th ed.) Citation

Corey, Gerald, Marianne Schneider Corey, and Patrick Callanan. Professional and Ethical Issues in Counseling and Psychotherapy. Monterey, Calif.: Brooks/Cole Pub. Co., 1979.

MLA (9th ed.) Citation

Corey, Gerald, et al. Professional and Ethical Issues in Counseling and Psychotherapy. Brooks/Cole Pub. Co., 1979.