Cita APA

Tyler, L. E. (1969). The work of the counselor (3rd ed.). Appleton-Century-Crofts.

Citación estilo Chicago

Tyler, Leona Elizabeth. The Work of the Counselor. 3rd ed. New York: Appleton-Century-Crofts, 1969.

Cita MLA

Tyler, Leona Elizabeth. The Work of the Counselor. 3rd ed. Appleton-Century-Crofts, 1969.