Scottish Natural Heritage, Scottish Natural Heritage Conference, Howell, D. L., & Boon, P. J. (1997). Freshwater quality: Defining the indefinable? HMSO.
Chicago Style (17th ed.) CitationScottish Natural Heritage, Scottish Natural Heritage Conference, D. L. Howell, and P. J. Boon. Freshwater Quality: Defining the Indefinable? Edinburgh: HMSO, 1997.
MLA (9th ed.) CitationScottish Natural Heritage, et al. Freshwater Quality: Defining the Indefinable? HMSO, 1997.
Warning: These citations may not always be 100% accurate.