Thorp and Covich's Freshwater invertebrates (4. ed.). Elsevier Academic Press.
Chicago Style (17th ed.) CitationThorp and Covich's Freshwater Invertebrates. 4. ed. Amsterdam: Elsevier Academic Press.
MLA (9th ed.) CitationThorp and Covich's Freshwater Invertebrates. 4. ed. Elsevier Academic Press.
Warning: These citations may not always be 100% accurate.