Cita APA (7a ed.)

Fein, R. A., Vossekuil, B., & Holden, G. A. (1995). Threat assessment: An approach to prevent targeted violence. US Dep. of Justice, Office of Justice Programs, National Inst. of Justice.

Cita Chicago Style (17a ed.)

Fein, Robert A., Bryan Vossekuil, y Gwen A. Holden. Threat Assessment: An Approach to Prevent Targeted Violence. Washington, DC: US Dep. of Justice, Office of Justice Programs, National Inst. of Justice, 1995.

Cita MLA (8a ed.)

Fein, Robert A., et al. Threat Assessment: An Approach to Prevent Targeted Violence. US Dep. of Justice, Office of Justice Programs, National Inst. of Justice, 1995.