Thorp, J. H., & Covich, A. P. (1991). Ecology and classification of North American freshwater invertebrates. Academic Press.
Chicago Edition CitationThorp, James H., and Alan P. Covich. Ecology and Classification of North American Freshwater Invertebrates. San Diego, CA: Academic Press, 1991.
MLA Edition CitationThorp, James H., and Alan P. Covich. Ecology and Classification of North American Freshwater Invertebrates. Academic Press, 1991.
Warning: These citations may not always be 100% accurate.