USA Federal Bureau of Investigation. Law enforcement officers killed and assaulted: Summary. US Gov. Print. Off.
Chicago Style (17th ed.) CitationUSA Federal Bureau of Investigation. Law Enforcement Officers Killed and Assaulted: Summary. Washington, DC: US Gov. Print. Off.
MLA (9th ed.) CitationUSA Federal Bureau of Investigation. Law Enforcement Officers Killed and Assaulted: Summary. US Gov. Print. Off.
Warning: These citations may not always be 100% accurate.