Cita APA (7a ed.)

Walker, W. (1974). Alcohol highway-traffic safety workshop for law enforcement officials. U.S. Dept. of Transportation.

Cita Chicago Style (17a ed.)

Walker, William. Alcohol Highway-traffic Safety Workshop for Law Enforcement Officials. Washington, D.C: U.S. Dept. of Transportation, 1974.

Cita MLA (9a ed.)

Walker, William. Alcohol Highway-traffic Safety Workshop for Law Enforcement Officials. U.S. Dept. of Transportation, 1974.