Federal laws, regulations, and other material relating to highways.
APA Citation
United States. Bureau of Public Roads. (1960). Federal laws, regulations, and other material relating to highways. Washington: U.S. Govt. Print. Off..
MLA Citation
United States. Bureau of Public Roads. Federal Laws, Regulations, And Other Material Relating to Highways. Washington: U.S. Govt. Print. Off., 1960.
Warning: These citations may not always be complete (especially for serials).