Cita APA (7a ed.)

Cook, P. J., & Ludwig, J. (1998). Defensive Gun Uses: New Evidence from a National Survey. Journal of quantitative criminology, 14(2), 111-131. doi:10.1023/A:1023077303928

Cita Chicago Style (17a ed.)

Cook, Philip J., y Jens Ludwig. "Defensive Gun Uses: New Evidence from a National Survey." Journal of Quantitative Criminology 14, no. 2 (1998): 111-131. https://doi.org/10.1023/A:1023077303928.

Cita MLA (9a ed.)

Cook, Philip J., y Jens Ludwig. "Defensive Gun Uses: New Evidence from a National Survey." Journal of Quantitative Criminology, vol. 14, no. 2, 1998, pp. 111-131, https://doi.org/10.1023/A:1023077303928.