Cita APA (7a ed.)

Covey, H. C. (2003). Street gangs throughout the world. Thomas.

Cita Chicago Style (17a ed.)

Covey, Herbert C. Street Gangs Throughout the World. Springfield, Ill: Thomas, 2003.

Cita MLA (9a ed.)

Covey, Herbert C. Street Gangs Throughout the World. Thomas, 2003.