Cita APA (7a ed.)

Security Research Center, Washington, DC, Kramen, A. J., & Security Research Center. (2000). Guide for preventing and responding to school violence. International Association of Chiefs of Police.

Cita Chicago Style (17a ed.)

Security Research Center, Washington, DC, Alissa J. Kramen, y Security Research Center. Guide for Preventing and Responding to School Violence. Alexandria, Va: International Association of Chiefs of Police, 2000.

Cita MLA (8a ed.)

Security Research Center, Washington, DC, et al. Guide for Preventing and Responding to School Violence. International Association of Chiefs of Police, 2000.