Cita APA (7a ed.)

Turner, J. T., & Gelles, M. G. (2003). Threat assessment: A risk management approach. Haworth.

Cita Chicago Style (17a ed.)

Turner, James T., y Michael G. Gelles. Threat Assessment: A Risk Management Approach. New York [u.a.]: Haworth, 2003.

Cita MLA (8a ed.)

Turner, James T., y Michael G. Gelles. Threat Assessment: A Risk Management Approach. Haworth, 2003.