APA (7th ed.) Citation

Carkhuff, R. R., Anthony, W. A., Cannon, J. R., Pierce, R. M., & Zigon, F. J. (1979). The skills of helping: An introduction to counseling skills (First edition.). Human Resource Development Press.

Chicago Style (17th ed.) Citation

Carkhuff, Robert R., William Alan Anthony, John R. Cannon, Richard M. Pierce, and F. Jack Zigon. The Skills of Helping: An Introduction to Counseling Skills. First edition. Amherst, Massachusetts: Human Resource Development Press, 1979.

MLA (9th ed.) Citation

Carkhuff, Robert R., et al. The Skills of Helping: An Introduction to Counseling Skills. First edition. Human Resource Development Press, 1979.