APA Style

Corey, G. (1991). Theory and practice of counseling and psychotherapy / Gerald Corey. (4th ed.). Pacific Grove, Calif.: Brooks/Cole Pub. Co..

MLA Style

Corey, G.. "Theory and practice of counseling and psychotherapy / Gerald Corey.". 4th ed. Pacific Grove, Calif.: Brooks/Cole Pub. Co., 1991. Text.