Cita APA

Gibson, R. L. (1986). Introduction to counseling and guidance (2nd e.d.). Macmillan.

Citación estilo Chicago

Gibson, Robert L. Introduction to Counseling and Guidance. 2nd e.d. New York: Macmillan, 1986.

Cita MLA

Gibson, Robert L. Introduction to Counseling and Guidance. 2nd e.d. Macmillan, 1986.