Cita APA (7a ed.)

USA, Bureau of Justice Assistance, & USA Bureau of Justice Assistance. (1993). Problem-oriented drug enforcement: A community-based approach for effective policing. Bureau of Justice Assistance.

Cita Chicago Style (17a ed.)

USA, Bureau of Justice Assistance, y USA Bureau of Justice Assistance. Problem-oriented Drug Enforcement: A Community-based Approach for Effective Policing. Washington, DC: Bureau of Justice Assistance, 1993.

Cita MLA (8a ed.)

USA, Bureau of Justice Assistance, y USA Bureau of Justice Assistance. Problem-oriented Drug Enforcement: A Community-based Approach for Effective Policing. Bureau of Justice Assistance, 1993.