APA (7th ed.) Citation

Kell, B. L., & Mueller, W. J. (1966). Impact and change: A study of counseling relationships. Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Kell, Bill L., and William J. Mueller. Impact and Change: A Study of Counseling Relationships. New York: Appleton-Century-Crofts, 1966.

MLA (9th ed.) Citation

Kell, Bill L., and William J. Mueller. Impact and Change: A Study of Counseling Relationships. Appleton-Century-Crofts, 1966.