Cita APA (7a ed.)

Klein, M. W., Weerman, F. M., & Thornberry, T. P. (2006). Street Gang Violence in Europe. European journal of criminology, 3(4), 413-437.

Cita Chicago Style (17a ed.)

Klein, Malcolm W., Frank M. Weerman, y Terence P. Thornberry. "Street Gang Violence in Europe." European Journal of Criminology 3, no. 4 (2006): 413-437.

Cita MLA (9a ed.)

Klein, Malcolm W., et al. "Street Gang Violence in Europe." European Journal of Criminology, vol. 3, no. 4, 2006, pp. 413-437.