Cita APA (7a ed.)

Holmes, R. M. (1990). Profiling violent crimes: An investigative tool. Sage.

Cita Chicago Style (17a ed.)

Holmes, Ronald M. Profiling Violent Crimes: An Investigative Tool. Newbury Park [u.a.]: Sage, 1990.

Cita MLA (8a ed.)

Holmes, Ronald M. Profiling Violent Crimes: An Investigative Tool. Sage, 1990.