Colwill, D. M., Hickman, A. J., & Waterfield, V. H. (1983). Atmospheric pollution from vehicle emissions: Measurements near the tunnel portal at London (Heathrow) Airport. Transport and Road Research Laboratory.
Chicago Style (17th ed.) CitationColwill, D. M., A. J. Hickman, and Victoria H. Waterfield. Atmospheric Pollution from Vehicle Emissions: Measurements Near the Tunnel Portal at London (Heathrow) Airport. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1983.
MLA (9th ed.) CitationColwill, D. M., et al. Atmospheric Pollution from Vehicle Emissions: Measurements Near the Tunnel Portal at London (Heathrow) Airport. Transport and Road Research Laboratory, 1983.
Warning: These citations may not always be 100% accurate.