APA (7th ed.) Citation

Ross, D., May, R., & Hook, R. (1988). The Royal Canadian Mounted Police 1873-1987. Osprey.

Chicago Style (17th ed.) Citation

Ross, David, Robin May, and Richard Hook. The Royal Canadian Mounted Police 1873-1987. London: Osprey, 1988.

MLA (9th ed.) Citation

Ross, David, et al. The Royal Canadian Mounted Police 1873-1987. Osprey, 1988.