APA

U.S. Department of Transportation, Federal Highway Administration & Office of Motor Carriers. (1992). Guidelines for implementing the FHWA anti-drug program. Washington DC: U.S. Department of Transportation.

Chicago

U.S. Department of Transportation, Federal Highway Administration and Office of Motor Carriers. 1992. Guidelines for implementing the FHWA anti-drug program. Washington DC: U.S. Department of Transportation.

Harvard

U.S. Department of Transportation, Federal Highway Administration and Office of Motor Carriers. (1992). Guidelines for implementing the FHWA anti-drug program. Washington DC: U.S. Department of Transportation.

MLA

U.S. Department of Transportation, Federal Highway Administration and Office of Motor Carriers. Guidelines for implementing the FHWA anti-drug program. Washington DC: U.S. Department of Transportation. 1992.