APA-Zitierstil (7. Ausg.)

Corey, G. (1990). Theory and practice of counselling and psychotherapy (3rd ed.). Brooks/cole.

Chicago-Zitierstil (17. Ausg.)

Corey, Gerald. Theory and Practice of Counselling and Psychotherapy. 3rd ed. California: Brooks/cole, 1990.

MLA-Zitierstil (9. Ausg.)

Corey, Gerald. Theory and Practice of Counselling and Psychotherapy. 3rd ed. Brooks/cole, 1990.