APA-referens (7:e uppl.)

Spergel, I. A. (1995). The youth gang problem: A community approach. Oxford University Press.

Chicago-referens (17:e uppl.)

Spergel, Irving A. The Youth Gang Problem: A Community Approach. New York: Oxford University Press, 1995.

MLA-referens (9:e uppl.)

Spergel, Irving A. The Youth Gang Problem: A Community Approach. Oxford University Press, 1995.