Holmes, G. N., & Leonard, D. R. (1992). The frequency and importance of incidents which cause congestion in urban areas. Transport Research Laboratory.
Chicago Style (17th ed.) CitationHolmes, G. N., and D. R. Leonard. The Frequency and Importance of Incidents Which Cause Congestion in Urban Areas. Crowthorne, Berkshire: Transport Research Laboratory, 1992.
MLA (9th ed.) CitationHolmes, G. N., and D. R. Leonard. The Frequency and Importance of Incidents Which Cause Congestion in Urban Areas. Transport Research Laboratory, 1992.
Warning: These citations may not always be 100% accurate.