APA (7th ed.) Citation
Bennis, W. G., & Thomas, R. J. (2002). Geeks and geezers: How era, values and defining moments shape leaders. Harvard Business School Press.
Chicago Style (17th ed.) Citation
Bennis, Warren G., and Robert J. Thomas. Geeks and Geezers: How Era, Values and Defining Moments Shape Leaders. Boston: Harvard Business School Press, 2002.
MLA (9th ed.) Citation
Bennis, Warren G., and Robert J. Thomas. Geeks and Geezers: How Era, Values and Defining Moments Shape Leaders. Harvard Business School Press, 2002.
Warning: These citations may not always be 100% accurate.