Cita APA (7a ed.)

Widom, C. S. (1992). The cycle of violence. US Dep. of Justice, Office of Justice Programs, National Inst. of Justice.

Cita Chicago Style (17a ed.)

Widom, Cathy Spatz. The Cycle of Violence. Washington, DC: US Dep. of Justice, Office of Justice Programs, National Inst. of Justice, 1992.

Cita MLA (9a ed.)

Widom, Cathy Spatz. The Cycle of Violence. US Dep. of Justice, Office of Justice Programs, National Inst. of Justice, 1992.