APA (7th ed.) Citation

United States. Federal Bureau of Investigation & United States. Department of Justice. (1978). Law enforcement officers killed. The Department.

Chicago Style (17th ed.) Citation

United States. Federal Bureau of Investigation and United States. Department of Justice. Law Enforcement Officers Killed. [Washington, D.C.]: The Department, 1978.

MLA (9th ed.) Citation

United States. Federal Bureau of Investigation and United States. Department of Justice. Law Enforcement Officers Killed. The Department, 1978.