APA (7th ed.) Citation

Holmes, R. M., & Holmes, S. T. (2009). Profiling violent crimes: An investigative tool (4. ed.). Sage.

Chicago Style (17th ed.) Citation

Holmes, Ronald M., and Stephen T. Holmes. Profiling Violent Crimes: An Investigative Tool. 4. ed. Los Angeles [u.a.]: Sage, 2009.

MLA (8th ed.) Citation

Holmes, Ronald M., and Stephen T. Holmes. Profiling Violent Crimes: An Investigative Tool. 4. ed. Sage, 2009.