Cita APA (7a ed.)

Decker, S., & Weermann, F. (2004). International Gang Research.

Cita Chicago Style (17a ed.)

Decker, S., y F. Weermann. International Gang Research. New York, 2004.

Cita MLA (9a ed.)

Decker, S., y F. Weermann. International Gang Research. 2004.