Cita APA (7a ed.)

Chapman, S. G. (1976). Police murders and effective countermeasures. Davis Pub.

Cita Chicago Style (17a ed.)

Chapman, Samuel G. Police Murders and Effective Countermeasures. Santa Cruz, Calif: Davis Pub, 1976.

Cita MLA (9a ed.)

Chapman, Samuel G. Police Murders and Effective Countermeasures. Davis Pub, 1976.