Cita APA (7a ed.)

Chambers, M., Ullmann, B., & Waller, I. (2009). Less crime, lower costs: Implementing effective early crime reduction programmes in England and Wales. Policy Exchange.

Cita Chicago Style (17a ed.)

Chambers, Max, Ben Ullmann, y Irvin Waller. Less Crime, Lower Costs: Implementing Effective Early Crime Reduction Programmes in England and Wales. London: Policy Exchange, 2009.

Cita MLA (9a ed.)

Chambers, Max, et al. Less Crime, Lower Costs: Implementing Effective Early Crime Reduction Programmes in England and Wales. Policy Exchange, 2009.