APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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