APA (7th ed.) Citation

Smith, D. J., & Gray, J. J. (1985). Police and people in London: The PSI report. Gower.

Chicago Style (17th ed.) Citation

Smith, David John, and Jeremy J. Gray. Police and People in London: The PSI Report. Aldershot [u.a.]: Gower, 1985.

MLA (8th ed.) Citation

Smith, David John, and Jeremy J. Gray. Police and People in London: The PSI Report. Gower, 1985.