APA (7th ed.) Citation

Kolbe, C. M., & Luedke, M. W. (2009). A guide to freshwater ecology (Revised.). Texas Commission on Environmental Quality.

Chicago Style (17th ed.) Citation

Kolbe, Christine M., and Mark W. Luedke. A Guide to Freshwater Ecology. Revised. Austin, Tex.: Texas Commission on Environmental Quality, 2009.

MLA (9th ed.) Citation

Kolbe, Christine M., and Mark W. Luedke. A Guide to Freshwater Ecology. Revised. Texas Commission on Environmental Quality, 2009.