Colwill, D. M., Peters, C. J., & Perry, R. (1984). Water quality of motorway runoff. Transport and Road Research Laboratory.
Chicago Style (17th ed.) CitationColwill, D. M., C. J. Peters, and R. Perry. Water Quality of Motorway Runoff. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1984.
MLA (9th ed.) CitationColwill, D. M., et al. Water Quality of Motorway Runoff. Transport and Road Research Laboratory, 1984.
Warning: These citations may not always be 100% accurate.