Cita APA (7a ed.)

Braga, A. A., Pierce, G. L., & McDevitt, J. (2006). Understanding and preventing gang violence: Problem analysis and response development in Lowell, Massachusetts. Police quarterly, 9(1), 20-46. doi:10.1177/1098611104264497

Cita Chicago Style (17a ed.)

Braga, Anthony Allan, Glenn L. Pierce, y Jack McDevitt. "Understanding and Preventing Gang Violence: Problem Analysis and Response Development in Lowell, Massachusetts." Police Quarterly 9, no. 1 (2006): 20-46. https://doi.org/10.1177/1098611104264497.

Cita MLA (9a ed.)

Braga, Anthony Allan, et al. "Understanding and Preventing Gang Violence: Problem Analysis and Response Development in Lowell, Massachusetts." Police Quarterly, vol. 9, no. 1, 2006, pp. 20-46, https://doi.org/10.1177/1098611104264497.