Citação norma APA

Carkhuff, R. R., & Anthony, W. A. (1979). The skills of helping: An introduction to counseling skills. Human Resource Development Press.

Citação norma Chicago

Carkhuff, Robert R., and William Alan Anthony. The Skills of Helping: An Introduction to Counseling Skills. Amherst, Mass.: Human Resource Development Press, 1979.

Citação norma MLA

Carkhuff, Robert R., and William Alan Anthony. The Skills of Helping: An Introduction to Counseling Skills. Human Resource Development Press, 1979.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.