APA (7th ed.) Citation

Corey, G., Callanan, P., & Corey, M. S. (1993). Issues and ethics in the helping professions (4th ed.). Brooks/Cole Pub. Co.

Chicago Style (17th ed.) Citation

Corey, Gerald, Patrick Callanan, and Marianne Schneider Corey. Issues and Ethics in the Helping Professions. 4th ed. Pacific Grove, Calif: Brooks/Cole Pub. Co, 1993.

MLA (9th ed.) Citation

Corey, Gerald, et al. Issues and Ethics in the Helping Professions. 4th ed. Brooks/Cole Pub. Co, 1993.