Cita APA (7a ed.)

Howell, J. C. (1998). Youth gangs: An overview. US Department of Justice, Office of Justice Programs, Office of Juvenile Justice and Delinquency Prevention.

Cita Chicago Style (17a ed.)

Howell, James C. Youth Gangs: An Overview. Washington, DC: US Department of Justice, Office of Justice Programs, Office of Juvenile Justice and Delinquency Prevention, 1998.

Cita MLA (8a ed.)

Howell, James C. Youth Gangs: An Overview. US Department of Justice, Office of Justice Programs, Office of Juvenile Justice and Delinquency Prevention, 1998.