Gaya APA

George, R, L., Cristiani, T, S. (1981). Theory, Methods, and Processes of Counseling and Psychotherapy . New Jersey: Prentice-Hall.

Gaya MLA

George, Rickey, L.., Cristiani, Therese, Stride. "Theory, Methods, and Processes of Counseling and Psychotherapy". New Jersey: Prentice-Hall, 1981. Text.