Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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