Geological Survey (U.S.) & Gough, L. P. (2004). Selected geochemical and biogeochemical studies of the Fortymile River watershed, Alaska. U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and L. P. Gough. Selected Geochemical and Biogeochemical Studies of the Fortymile River Watershed, Alaska. Reston, Va: U.S. Geological Survey, 2004.
MLA (9th ed.) CitationGeological Survey (U.S.) and L. P. Gough. Selected Geochemical and Biogeochemical Studies of the Fortymile River Watershed, Alaska. U.S. Geological Survey, 2004.
Warning: These citations may not always be 100% accurate.