Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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