APA

Elliott J. E., Geological Survey (U.S.), . (1993). The Conterminous United States Mineral Assessment Program: background information to accompany folio of geologic, geochemical remote sensing, and mineral resources maps of the Butte 1⁰ x 2⁰ quadrangle, Montana. [Reston, Va.?]: U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago

Elliott James E, Geological Survey (U.S.), . 1993. The Conterminous United States Mineral Assessment Program: background information to accompany folio of geologic, geochemical remote sensing, and mineral resources maps of the Butte 1⁰ x 2⁰ quadrangle, Montana. [Reston, Va.?]: U.S. Dept. of the Interior, U.S. Geological Survey.

Harvard

Elliott J. E., Geological Survey (U.S.), . (1993). The Conterminous United States Mineral Assessment Program: background information to accompany folio of geologic, geochemical remote sensing, and mineral resources maps of the Butte 1⁰ x 2⁰ quadrangle, Montana. [Reston, Va.?]: U.S. Dept. of the Interior, U.S. Geological Survey.

MLA

Elliott James E, Geological Survey (U.S.), . The Conterminous United States Mineral Assessment Program: background information to accompany folio of geologic, geochemical remote sensing, and mineral resources maps of the Butte 1⁰ x 2⁰ quadrangle, Montana. [Reston, Va.?]: U.S. Dept. of the Interior, U.S. Geological Survey. 1993.