Cita APA

Gazda, G. M., Brooks, D. K., & Childers, W. C. (1987). Foundations of counseling and human services. New York: McGraw-Hill.

Citación estilo Chicago

Gazda, George Michael, David K. Brooks, y William C. Childers. Foundations of Counseling and Human Services. New York: McGraw-Hill, 1987.

Cita MLA

Gazda, George Michael, David K. Brooks, y William C. Childers. Foundations of Counseling and Human Services. New York: McGraw-Hill, 1987.