Cita APA (7a ed.)

Brantley, A. C., Sorrentino, A., & Torok, W. C. (1994). Focus on gangs. FBI law enforcement bulletin, 63(5), 1-17.

Cita Chicago Style (17a ed.)

Brantley, Alan C., Anthony Sorrentino, y Wayne C. Torok. "Focus on Gangs." FBI Law Enforcement Bulletin 63, no. 5 (1994): 1-17.

Cita MLA (8a ed.)

Brantley, Alan C., et al. "Focus on Gangs." FBI Law Enforcement Bulletin, vol. 63, no. 5, 1994, pp. 1-17.