APA
ed. Larry P. Gough, . (2004). Selected Geochemical and Biogeochemical Studies of the Fortymile River Watershed, Alaska. Virginia: U.S. Geological Survey.
Chicago
ed. Larry P. Gough, . 2004. Selected Geochemical and Biogeochemical Studies of the Fortymile River Watershed, Alaska. Virginia: U.S. Geological Survey.
Harvard
ed. Larry P. Gough, . (2004). Selected Geochemical and Biogeochemical Studies of the Fortymile River Watershed, Alaska. Virginia: U.S. Geological Survey.
MLA
ed. Larry P. Gough, . Selected Geochemical and Biogeochemical Studies of the Fortymile River Watershed, Alaska. Virginia: U.S. Geological Survey. 2004.