Cita APA (7a ed.)

Bennis, W. G. (2009). On becoming a leader (Twentieth anniversary edition.). Basic Books.

Cita Chicago Style (17a ed.)

Bennis, Warren G. On Becoming a Leader. Twentieth anniversary edition. New York: Basic Books, 2009.

Cita MLA (9a ed.)

Bennis, Warren G. On Becoming a Leader. Twentieth anniversary edition. Basic Books, 2009.