Cita APA (7a ed.)

Duffy, M. P., & Gillig, S. E. (2004). Teen gangs: A global view. Greenwood Press.

Cita Chicago Style (17a ed.)

Duffy, Maureen P., y Scott Edward Gillig. Teen Gangs: A Global View. Westport, Conn. [u.a.]: Greenwood Press, 2004.

Cita MLA (8a ed.)

Duffy, Maureen P., y Scott Edward Gillig. Teen Gangs: A Global View. Greenwood Press, 2004.