APA (7th ed.) Citation

Police Foundation, USA, & Police Foundation. (1990). Drugs and violence: Police departments under siege; integrated community drug control strategies. Police Foundation.

Chicago Style (17th ed.) Citation

Police Foundation, USA, and Police Foundation. Drugs and Violence: Police Departments Under Siege; Integrated Community Drug Control Strategies. Washington, DC: Police Foundation, 1990.

MLA (8th ed.) Citation

Police Foundation, USA, and Police Foundation. Drugs and Violence: Police Departments Under Siege; Integrated Community Drug Control Strategies. Police Foundation, 1990.

Warning: These citations may not always be 100% accurate.