Cita APA (7a ed.)

Widom, C. S. (1994). The Cycle of Violence. Science 244, 160-66. Psychological explanations of crime, 281-288.

Cita Chicago Style (17a ed.)

Widom, Cathy Spatz. "The Cycle of Violence. Science 244, 160-66." Psychological Explanations of Crime 1994: 281-288.

Cita MLA (8a ed.)

Widom, Cathy Spatz. "The Cycle of Violence. Science 244, 160-66." Psychological Explanations of Crime, 1994, pp. 281-288.