APA (7th ed.) Citation

George, C. S., & Cole, K. (1992). Supervision in action: The art of managing (3rd ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

George, Claude S., and Kris Cole. Supervision in Action: The Art of Managing. 3rd ed. New York: Prentice Hall, 1992.

MLA (9th ed.) Citation

George, Claude S., and Kris Cole. Supervision in Action: The Art of Managing. 3rd ed. Prentice Hall, 1992.