Gaya APA

Corey, G. (2015). Theory and Practice of Counseling and Psychotherapy: Tenth Edition (Tenth Edition). Boston, Massachusetts, USA: Cengage Learning.

Gaya MLA

Corey, Gerald. "Theory and Practice of Counseling and Psychotherapy: Tenth Edition". Tenth Edition Boston, Massachusetts, USA: Cengage Learning, 2015. e-book.