European Conference of Ministers of Transport. (1974). European rules concerning road traffic, signs and signals: Vienna 1968--Geneva 1971-1973. European Conference of Ministers of Transport.
Chicago Style (17th ed.) CitationEuropean Conference of Ministers of Transport. European Rules Concerning Road Traffic, Signs and Signals: Vienna 1968--Geneva 1971-1973. [Paris]: European Conference of Ministers of Transport, 1974.
MLA (8th ed.) CitationEuropean Conference of Ministers of Transport. European Rules Concerning Road Traffic, Signs and Signals: Vienna 1968--Geneva 1971-1973. European Conference of Ministers of Transport, 1974.
Warning: These citations may not always be 100% accurate.