Sabey, B. E., & Johnson, H. D. (1973). Roadlighting and accidents: Before and after studies on trunk road sites. Transport and Road Research Laboratory.
Chicago Style (17th ed.) CitationSabey, Barbara E., and H. D. Johnson. Roadlighting and Accidents: Before and After Studies on Trunk Road Sites. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1973.
MLA (9th ed.) CitationSabey, Barbara E., and H. D. Johnson. Roadlighting and Accidents: Before and After Studies on Trunk Road Sites. Transport and Road Research Laboratory, 1973.
Warning: These citations may not always be 100% accurate.