Walker, W. (1974). Alcohol highway-traffic safety workshop for law enforcement officials. U.S. Dept. of Transportation.
Chicago Style (17th ed.) CitationWalker, William. Alcohol Highway-traffic Safety Workshop for Law Enforcement Officials. Washington, D.C: U.S. Dept. of Transportation, 1974.
MLA (8th ed.) CitationWalker, William. Alcohol Highway-traffic Safety Workshop for Law Enforcement Officials. U.S. Dept. of Transportation, 1974.
Warning: These citations may not always be 100% accurate.