Frey, J. W., Caskey, B. J., & Lowe, B. S. (2007). Relations of principal components analysis site scores to algal-biomass, habitat, basin-characteristics, nutrient, and biological-community data in the West Fork White River basin, Indiana, 2001. U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationFrey, Jeffrey W., B. J. Caskey, and B. Scott Lowe. Relations of Principal Components Analysis Site Scores to Algal-biomass, Habitat, Basin-characteristics, Nutrient, and Biological-community Data in the West Fork White River Basin, Indiana, 2001. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2007.
MLA (9th ed.) CitationFrey, Jeffrey W., et al. Relations of Principal Components Analysis Site Scores to Algal-biomass, Habitat, Basin-characteristics, Nutrient, and Biological-community Data in the West Fork White River Basin, Indiana, 2001. U.S. Dept. of the Interior, U.S. Geological Survey, 2007.