APA (7th ed.) Citation

Corey, G. (2009). Theory and practice of counseling and psychotherapy (8. ed., internat. student ed., [Nachdr.].). Brooks/Cole.

Chicago Style (17th ed.) Citation

Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 8. ed., internat. student ed., [Nachdr.]. Belmont, CA: Brooks/Cole, 2009.

MLA (9th ed.) Citation

Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 8. ed., internat. student ed., [Nachdr.]. Brooks/Cole, 2009.