APA (7th ed.) Citation

Bennis, W. G., & Thomas. (2002). Geeks & Geezers: How era, values, and defining moments shape leaders. Harvard businees school press.

Chicago Style (17th ed.) Citation

Bennis, Warren G., and Thomas. Geeks & Geezers: How Era, Values, and Defining Moments Shape Leaders. Boston: Harvard businees school press, 2002.

MLA (9th ed.) Citation

Bennis, Warren G., and Thomas. Geeks & Geezers: How Era, Values, and Defining Moments Shape Leaders. Harvard businees school press, 2002.