Webb, P. J. (1980). The effect of an advisory speed signal on motorway traffic speeds. Highway Traffic Division, Traffic Engineering Dept., Transport and Road Research Laboratory.
Chicago Style (17th ed.) CitationWebb, P. J. The Effect of an Advisory Speed Signal on Motorway Traffic Speeds. Crowthorne, Berkshire: Highway Traffic Division, Traffic Engineering Dept., Transport and Road Research Laboratory, 1980.
MLA (9th ed.) CitationWebb, P. J. The Effect of an Advisory Speed Signal on Motorway Traffic Speeds. Highway Traffic Division, Traffic Engineering Dept., Transport and Road Research Laboratory, 1980.
Warning: These citations may not always be 100% accurate.