Cita APA (7a ed.)

Chavez, E. J. (1992). The impact of street gang activity on law enforcement in a metropolitan area. Peace Officer Standards and Training (POST).

Cita Chicago Style (17a ed.)

Chavez, Edward J. The Impact of Street Gang Activity on Law Enforcement in a Metropolitan Area. Sacramento, Calif: Peace Officer Standards and Training (POST), 1992.

Cita MLA (9a ed.)

Chavez, Edward J. The Impact of Street Gang Activity on Law Enforcement in a Metropolitan Area. Peace Officer Standards and Training (POST), 1992.