Gaya APA

Patterson, C., Swanson, C, P. (1980). Theories of counseling and psychoterapy . London: London: Happer & Row; 1980.

Gaya MLA

Patterson, C.H., Swanson, Carl, P.. "Theories of counseling and psychoterapy". London: London: Happer & Row; 1980, 1980. Text.