APA (7th ed.) Citation

Thorp, J. H., & Covich, A. P. (2001). Ecology and Classification of North American Freshwater Invertebrates.

Chicago Style (17th ed.) Citation

Thorp, James H., and Alan P. Covich. Ecology and Classification of North American Freshwater Invertebrates. 2001.

MLA (9th ed.) Citation

Thorp, James H., and Alan P. Covich. Ecology and Classification of North American Freshwater Invertebrates. 2001.

Warning: These citations may not always be 100% accurate.