APA (7th ed.) Citation

Spergel, I. A. (1995). The Youth Gang Problem: A Community Approach. Oxford University Press.

Chicago Style (17th ed.) Citation

Spergel, Irving A. The Youth Gang Problem: A Community Approach. [Erscheinungsort nicht ermittelbar]: Oxford University Press, 1995.

MLA (9th ed.) Citation

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