Gaya APA

George, R, L., Cristiani, T, S. (1981). Theory, methods and processes of counseling and psychotherapy . New York: Prentice-Hall.

Gaya MLA

George, Rickey, L.., Cristiani, Therese, Stridde. "Theory, methods and processes of counseling and psychotherapy". New York: Prentice-Hall, 1981. Text.