Cita APA (7th ed.)
Corey, G. (1990). Theory and practice of counselling and psychotherapy (3rd ed.). Brooks/cole.
Cita Chicago (17th ed.)
Corey, Gerald. Theory and Practice of Counselling and Psychotherapy. 3rd ed. California: Brooks/cole, 1990.
Cita MLA (9th ed.)
Corey, Gerald. Theory and Practice of Counselling and Psychotherapy. 3rd ed. Brooks/cole, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.