APA (7th ed.) Citation

Bennis, W. G. (2009). On becoming a leader (20th anniversary ed., rev. and updated.). Basic Books.

Chicago Style (17th ed.) Citation

Bennis, Warren G. On Becoming a Leader. 20th anniversary ed., rev. and updated. New York: Basic Books, 2009.

MLA (9th ed.) Citation

Bennis, Warren G. On Becoming a Leader. 20th anniversary ed., rev. and updated. Basic Books, 2009.