Cita APA (7a ed.)

Howell, J. C. 1., & Griffiths, E. (2019). Gangs in America's communities (Third edition.). SAGE.

Cita Chicago Style (17a ed.)

Howell, James C. 19XX-, y Elizabeth Griffiths. Gangs in America's Communities. Third edition. Los Angeles London New Delhi Singapore Washington DC Melbourne: SAGE, 2019.

Cita MLA (9a ed.)

Howell, James C. 19XX-, y Elizabeth Griffiths. Gangs in America's Communities. Third edition. SAGE, 2019.