APA (7th ed.) Citation

Grieve, J., Harfield, C., & MacVean, A. (2007). Policing. SAGE.

Chicago Style (17th ed.) Citation

Grieve, John, Clive Harfield, and Allyson MacVean. Policing. Los Angeles ; London: SAGE, 2007.

MLA (9th ed.) Citation

Grieve, John, et al. Policing. SAGE, 2007.