Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Corey, Gerald, Patrick Callanan, i Marianne S. Corey. Issues and Ethics in the Helping Professions. 2nd ed. Monterey: Brooks, 1984.

Cita MLA (9th ed.)

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