Cita APA (7a ed.)

Heitmeyer, W., & Hagan, J. (2003). International handbook of violence research. Kluwer Academic.

Cita Chicago Style (17a ed.)

Heitmeyer, Wilhelm, y John Hagan. International Handbook of Violence Research. Dordrecht [etc.]: Kluwer Academic, 2003.

Cita MLA (9a ed.)

Heitmeyer, Wilhelm, y John Hagan. International Handbook of Violence Research. Kluwer Academic, 2003.