APA (7th ed.) Citation

Teger, A. I. (1980). Too much invested to quit. Pergamon Press.

Chicago Style (17th ed.) Citation

Teger, Allan I. Too Much Invested to Quit. New York: Pergamon Press, 1980.

MLA (9th ed.) Citation

Teger, Allan I. Too Much Invested to Quit. Pergamon Press, 1980.