Cita APA (7a ed.)

Kingery, P. M., Alford, A. A., & Coggeshall, M. B. (1999). Weapon carrying by youth: Risk factors and prevention. Education and urban society, 31(3), 309-333. doi:10.1177/0013124599031003004

Cita Chicago Style (17a ed.)

Kingery, Paul M., Aaron A. Alford, y Mark B. Coggeshall. "Weapon Carrying by Youth: Risk Factors and Prevention." Education and Urban Society 31, no. 3 (1999): 309-333. https://doi.org/10.1177/0013124599031003004.

Cita MLA (9a ed.)

Kingery, Paul M., et al. "Weapon Carrying by Youth: Risk Factors and Prevention." Education and Urban Society, vol. 31, no. 3, 1999, pp. 309-333, https://doi.org/10.1177/0013124599031003004.