Guide for traffic volume counting manual /
U.S. Department of Transportation, Federal Highway Administration, Bureau of Public Roads.
APA Citation
United States. Bureau of Public Roads. (1970). Guide for traffic volume counting manual. 3rd ed. [Washington]: The Bureau.
MLA Citation
United States. Bureau of Public Roads. Guide for Traffic Volume Counting Manual. 3rd ed. [Washington]: The Bureau, 1970.
Warning: These citations may not always be complete (especially for serials).