Cita APA (7a ed.)

Holmgren, R. (2021). Oakland Police Department and Intelligence-Led Policing. [Verlag nicht ermittelbar].

Cita Chicago Style (17a ed.)

Holmgren, Roland. Oakland Police Department and Intelligence-Led Policing. [Erscheinungsort nicht ermittelbar]: [Verlag nicht ermittelbar], 2021.

Cita MLA (9a ed.)

Holmgren, Roland. Oakland Police Department and Intelligence-Led Policing. [Verlag nicht ermittelbar], 2021.