Citazione Stile APA (7a Edizione)

Corey, G. (2009). Theory and practice of counseling and psychotherapy (Eigth edition.). Brooks/Cole Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. Eigth edition. Belmont, CA: Brooks/Cole Cengage Learning, 2009.

Citatione MLA (9a ed.)

Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. Eigth edition. Brooks/Cole Cengage Learning, 2009.