Cita APA (7a ed.)

Roland, P. (2021). Killer psychopaths: The inside story of criminal profiling. Arcturus Holdings Limited.

Cita Chicago Style (17a ed.)

Roland, Paul. Killer Psychopaths: The Inside Story of Criminal Profiling. London: Arcturus Holdings Limited, 2021.

Cita MLA (9a ed.)

Roland, Paul. Killer Psychopaths: The Inside Story of Criminal Profiling. Arcturus Holdings Limited, 2021.