United States. War Department. (1930). Vehicle and traffic laws and regulations in force in Canal Zone. Panama Canal Press.
Chicago Style (17th ed.) CitationUnited States. War Department. Vehicle and Traffic Laws and Regulations in Force in Canal Zone. [Washington]: Panama Canal Press, 1930.
MLA (9th ed.) CitationUnited States. War Department. Vehicle and Traffic Laws and Regulations in Force in Canal Zone. Panama Canal Press, 1930.
Warning: These citations may not always be 100% accurate.