Rutley, K. S., & Webb, P. J. (1979). Recognition distances and understanding of legends on an experimental motorway signal. Transport and Road Research Laboratory.
Chicago Style (17th ed.) CitationRutley, K. S., and P. J. Webb. Recognition Distances and Understanding of Legends on an Experimental Motorway Signal. Crowthorne, [Eng.]: Transport and Road Research Laboratory, 1979.
MLA (9th ed.) CitationRutley, K. S., and P. J. Webb. Recognition Distances and Understanding of Legends on an Experimental Motorway Signal. Transport and Road Research Laboratory, 1979.
Warning: These citations may not always be 100% accurate.