Cita APA (7th ed.)

Klein, M. W., & Maxson, C. L. (2006). Street gang patterns and policies. Oxford University Press.

Cita Chicago (17th ed.)

Klein, Malcolm W., i Cheryl Lee Maxson. Street Gang Patterns and Policies. Oxford ; New York: Oxford University Press, 2006.

Cita MLA (9th ed.)

Klein, Malcolm W., i Cheryl Lee Maxson. Street Gang Patterns and Policies. Oxford University Press, 2006.