APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.