Cita APA (7a ed.)

Perrone, S., & White, R. D. (2000). Young people and gangs.

Cita Chicago Style (17a ed.)

Perrone, Santina, y R. D. White. Young People and Gangs. 2000.

Cita MLA (9a ed.)

Perrone, Santina, y R. D. White. Young People and Gangs. 2000.