Cita APA (7a ed.)

Blake, C., Sheldon, B., & Williams, P. (2010). Policing and criminal justice. Learning Matters.

Cita Chicago Style (17a ed.)

Blake, Christopher, Barrie Sheldon, y Peter Williams. Policing and Criminal Justice. Exeter: Learning Matters, 2010.

Cita MLA (9a ed.)

Blake, Christopher, et al. Policing and Criminal Justice. Learning Matters, 2010.