Lines, C. J. (1981). Speeds and flows on the M1 in Bedfordshire during 1978 and 1979. Transport and Road Research Laboratory.
Chicago Style (17th ed.) CitationLines, C. J. Speeds and Flows on the M1 in Bedfordshire During 1978 and 1979. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
MLA (9th ed.) CitationLines, C. J. Speeds and Flows on the M1 in Bedfordshire During 1978 and 1979. Transport and Road Research Laboratory, 1981.
Warning: These citations may not always be 100% accurate.