Citazione Stile APA (7a Edizione)

Corey, G., Callanan, P., & Corey, M. S. (2011). Issues and ethics in the helping professions (8th ed.). Brooks/Cole.

Citazione stile Chigago Style (17a edizione)

Corey, Gerald, Patrick Callanan, e Marianne Schneider Corey. Issues and Ethics in the Helping Professions. 8th ed. Belmont: Brooks/Cole, 2011.

Citatione MLA (9a ed.)

Corey, Gerald, et al. Issues and Ethics in the Helping Professions. 8th ed. Brooks/Cole, 2011.