Cita APA (7th ed.)
Corey, G. (1989). Manual for theory and practice of counselling and psychotherapy (2nd ed.). Brooks/cole.
Cita Chicago (17th ed.)
Corey, Gerald. Manual for Theory and Practice of Counselling and Psychotherapy. 2nd ed. California: Brooks/cole, 1989.
Cita MLA (9th ed.)
Corey, Gerald. Manual for Theory and Practice of Counselling and Psychotherapy. 2nd ed. Brooks/cole, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.