APA (7th ed.) Citation

Corey, G., Callanan, P., Corey, G., & Corey, M. S.. (1984). Issues & ethics in the helping professions (2nd ed.). Brooks/Cole.

Chicago Style (17th ed.) Citation

Corey, Gerald, Patrick Callanan, Gerald Corey, and Marianne Schneider Corey. Issues & Ethics in the Helping Professions. 2nd ed. Monterey, Calif.: Brooks/Cole, 1984.

MLA (9th ed.) Citation

Corey, Gerald, et al. Issues & Ethics in the Helping Professions. 2nd ed. Brooks/Cole, 1984.