APA (7th ed.) Citation

Krempa, H. M. (2021). Periphyton biomass and community compositions as indicators of water quality in the Lower Grand River Hydrologic Unit, Missouri and Iowa, 2011-18. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Krempa, Heather M. Periphyton Biomass and Community Compositions as Indicators of Water Quality in the Lower Grand River Hydrologic Unit, Missouri and Iowa, 2011-18. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2021.

MLA (9th ed.) Citation

Krempa, Heather M. Periphyton Biomass and Community Compositions as Indicators of Water Quality in the Lower Grand River Hydrologic Unit, Missouri and Iowa, 2011-18. U.S. Department of the Interior, U.S. Geological Survey, 2021.