Cita APA (7a ed.)

Campbell, D. (2002). Leadership in Action: In Focus - Leadership Characteristics - Nine Keys to Good Leadership. Center for Creative Leadership.

Cita Chicago Style (17a ed.)

Campbell, David. Leadership in Action: In Focus - Leadership Characteristics - Nine Keys to Good Leadership. [Place of publication not identified]: Center for Creative Leadership, 2002.

Cita MLA (8a ed.)

Campbell, David. Leadership in Action: In Focus - Leadership Characteristics - Nine Keys to Good Leadership. Center for Creative Leadership, 2002.