National Rivers Authority. (1992). The Influence of agriculture on the quality of natural waters in England and Wales / a report by the National Rivers Authority. National Rivers Authority.
Chicago Style (17th ed.) CitationNational Rivers Authority. The Influence of Agriculture on the Quality of Natural Waters in England and Wales / a Report by the National Rivers Authority. Bristol: National Rivers Authority, 1992.
MLA (9th ed.) CitationNational Rivers Authority. The Influence of Agriculture on the Quality of Natural Waters in England and Wales / a Report by the National Rivers Authority. National Rivers Authority, 1992.
Warning: These citations may not always be 100% accurate.