Fitter, R. S. R., & Manuel, R. (1986). Field guide to the freshwater life of Britain and North-West Europe. Collins.
Chicago Style (17th ed.) CitationFitter, Richard Sidney Richmond, and Richard Manuel. Field Guide to the Freshwater Life of Britain and North-West Europe. London: Collins, 1986.
MLA (9th ed.) CitationFitter, Richard Sidney Richmond, and Richard Manuel. Field Guide to the Freshwater Life of Britain and North-West Europe. Collins, 1986.
Warning: These citations may not always be 100% accurate.