Cita APA (7a ed.)

Evans, R., & Farmer, C. (2021). Do police need guns?: Policing and firearms : past, present and future. Springer.

Cita Chicago Style (17a ed.)

Evans, Richard, y Clare Farmer. Do Police Need Guns?: Policing and Firearms : Past, Present and Future. Singapore: Springer, 2021.

Cita MLA (9a ed.)

Evans, Richard, y Clare Farmer. Do Police Need Guns?: Policing and Firearms : Past, Present and Future. Springer, 2021.