APA (7th ed.) Citation

Bayley, D. H., & Bayley, D. H. (1998). What works in policing. Oxford University Press.

Chicago Style (17th ed.) Citation

Bayley, David H., and David H. Bayley. What Works in Policing. New York Oxford: Oxford University Press, 1998.

MLA (8th ed.) Citation

Bayley, David H., and David H. Bayley. What Works in Policing. Oxford University Press, 1998.