Cita APA (7a ed.)

(19). Problem-oriented guides for police. US Department of Justice, Office of Community Oriented Policing Services.

Cita Chicago Style (17a ed.)

Problem-oriented Guides for Police. Washington, DC: US Department of Justice, Office of Community Oriented Policing Services, 19.

Cita MLA (9a ed.)

Problem-oriented Guides for Police. US Department of Justice, Office of Community Oriented Policing Services, 19.