Cita APA (7a ed.)

Bennis, W. G. (2009). On becoming a leader: [the leadership classic] (Twentieth anniversary ed.). Perseus Pub..

Cita Chicago Style (17a ed.)

Bennis, Warren G. On Becoming a Leader: [the Leadership Classic]. Twentieth anniversary ed. Cambridge, MA: Perseus Pub., 2009.

Cita MLA (9a ed.)

Bennis, Warren G. On Becoming a Leader: [the Leadership Classic]. Twentieth anniversary ed. Perseus Pub., 2009.