APA (7th ed.) Citation

Keller, J. F., & Hughston, G. A. (1981). Counseling the olderly: A systems approach. Harper and Row.

Chicago Style (17th ed.) Citation

Keller, James F., and George A. Hughston. Counseling the Olderly: A Systems Approach. Harper and Row, 1981.

MLA (8th ed.) Citation

Keller, James F., and George A. Hughston. Counseling the Olderly: A Systems Approach. Harper and Row, 1981.