Cita APA

Fox,James Alan, Levin,Jack, & United states. (2012). Extreme killing: Understanding serial and mass murder. Sage.

Chicago Edition Citation

Fox,James Alan, Levin,Jack, i United states. Extreme Killing: Understanding Serial and Mass Murder. Los Angeles: Sage, 2012.

Cita MLA

Fox,James Alan, et al. Extreme Killing: Understanding Serial and Mass Murder. Sage, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.