Frick, E. A., Buell, G. R., & Hopkins, E. H. (1996). Nutrient sources and analysis of nutrient water-quality data, Apalachicola-Chattahoochee-Flint River basin, Georgia, Alabama, and Florida, 1972-90. U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationFrick, Elizabeth A., Gary R. Buell, and Evelyn H. Hopkins. Nutrient Sources and Analysis of Nutrient Water-quality Data, Apalachicola-Chattahoochee-Flint River Basin, Georgia, Alabama, and Florida, 1972-90. Atlanta, Ga.: U.S. Dept. of the Interior, U.S. Geological Survey, 1996.
MLA (9th ed.) CitationFrick, Elizabeth A., et al. Nutrient Sources and Analysis of Nutrient Water-quality Data, Apalachicola-Chattahoochee-Flint River Basin, Georgia, Alabama, and Florida, 1972-90. U.S. Dept. of the Interior, U.S. Geological Survey, 1996.