APA (7th ed.) Citation

Knowles, M. S., & Knowles, H. (1955). How to develop better leaders. Association Press.

Chicago Style (17th ed.) Citation

Knowles, Malcolm S., and Hulda Knowles. How to Develop Better Leaders. New York: Association Press, 1955.

MLA (9th ed.) Citation

Knowles, Malcolm S., and Hulda Knowles. How to Develop Better Leaders. Association Press, 1955.

Warning: These citations may not always be 100% accurate.