Cita APA (7a ed.)

Geller, W. A. (1985). Police leadership in America: Crisis and opportunity. Praeger [u.a.].

Cita Chicago Style (17a ed.)

Geller, William A. Police Leadership in America: Crisis and Opportunity. New York [u.a.]: Praeger [u.a.], 1985.

Cita MLA (8a ed.)

Geller, William A. Police Leadership in America: Crisis and Opportunity. Praeger [u.a.], 1985.