Cita APA (7a ed.)

Freedman, D., & Hemenway, D. (2000). Precursors of lethal violence: A death row sample. Social science & medicine, 50(12), 1757-1770.

Cita Chicago Style (17a ed.)

Freedman, D., y D. Hemenway. "Precursors of Lethal Violence: A Death Row Sample." Social Science & Medicine 50, no. 12 (2000): 1757-1770.

Cita MLA (8a ed.)

Freedman, D., y D. Hemenway. "Precursors of Lethal Violence: A Death Row Sample." Social Science & Medicine, vol. 50, no. 12, 2000, pp. 1757-1770.