Cita APA (7a ed.)

Hemenway, D., Miller, M., & Azrael, D. (2001). Are guns used more by US civilians for self-defense or for intimidation? Western journal of medicine, 176(6), 396. doi:10.1136/ewjm.174.6.396

Cita Chicago Style (17a ed.)

Hemenway, David, M. Miller, y Deborah Azrael. "Are Guns Used More by US Civilians for Self-defense or for Intimidation?" Western Journal of Medicine 176, no. 6 (2001): 396. https://doi.org/10.1136/ewjm.174.6.396.

Cita MLA (9a ed.)

Hemenway, David, et al. "Are Guns Used More by US Civilians for Self-defense or for Intimidation?" Western Journal of Medicine, vol. 176, no. 6, 2001, p. 396, https://doi.org/10.1136/ewjm.174.6.396.