Fein, R. A., & Vossekuil, B. (2000). Protective intelligence and threat assessment investigations: A guide for state and local law enforcement officials. U.S. Dept. of Justice, Office of Justice Programs, National Institute of Justice.
Chicago Style (17th ed.) CitationFein, Robert A., and Bryan Vossekuil. Protective Intelligence and Threat Assessment Investigations: A Guide for State and Local Law Enforcement Officials. Washington, DC: U.S. Dept. of Justice, Office of Justice Programs, National Institute of Justice, 2000.
MLA (9th ed.) CitationFein, Robert A., and Bryan Vossekuil. Protective Intelligence and Threat Assessment Investigations: A Guide for State and Local Law Enforcement Officials. U.S. Dept. of Justice, Office of Justice Programs, National Institute of Justice, 2000.