Cita APA (7a ed.)

Hooke, A., Knox, J., & Portas, D. (1996). Cost benefit analysis of traffic light and speed cameras. Police research series.

Cita Chicago Style (17a ed.)

Hooke, Andrew, Jim Knox, y David Portas. "Cost Benefit Analysis of Traffic Light and Speed Cameras." Police Research Series 1996.

Cita MLA (8a ed.)

Hooke, Andrew, et al. "Cost Benefit Analysis of Traffic Light and Speed Cameras." Police Research Series, 1996.