Cita APA (7a ed.)

Chapman, S. G. (1986). Cops, killers and staying alive: The murder of police officers in America. Thomas.

Cita Chicago Style (17a ed.)

Chapman, Samuel G. Cops, Killers and Staying Alive: The Murder of Police Officers in America. Springfield, Ill: Thomas, 1986.

Cita MLA (8a ed.)

Chapman, Samuel G. Cops, Killers and Staying Alive: The Murder of Police Officers in America. Thomas, 1986.