APA (7th ed.) Citation

National Institute of Justice (U.S.), Police Foundation (U.S.), Koch, C., & Fowler, W. P. (1986). What works. National Institute of Justice.

Chicago Style (17th ed.) Citation

National Institute of Justice (U.S.), Police Foundation (U.S.), Christopher Koch, and W. P. Fowler. What Works. Rockville, MD: National Institute of Justice, 1986.

MLA (9th ed.) Citation

National Institute of Justice (U.S.), et al. What Works. National Institute of Justice, 1986.