APA (7th ed.) Citation

United States. Federal Highway Administration. (1984). Traffic control devices handbook. U.S. Dept. of Transportation, Federal Highway Administration.

Chicago Style (17th ed.) Citation

United States. Federal Highway Administration. Traffic Control Devices Handbook. Washington, D.C.: U.S. Dept. of Transportation, Federal Highway Administration, 1984.

MLA (9th ed.) Citation

United States. Federal Highway Administration. Traffic Control Devices Handbook. U.S. Dept. of Transportation, Federal Highway Administration, 1984.