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.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.