Cita APA (7a ed.)

Jackson, R. K. (1985). Understanding street gangs. Custom Publ.

Cita Chicago Style (17a ed.)

Jackson, Robert K. Understanding Street Gangs. Sacramento, CA: Custom Publ, 1985.

Cita MLA (8a ed.)

Jackson, Robert K. Understanding Street Gangs. Custom Publ, 1985.