Bernstein, L. R. (1986). Geology and mineralogy of the Apex germanium-gallium mine, Washington County, Utah. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationBernstein, Lawrence R. Geology and Mineralogy of the Apex Germanium-gallium Mine, Washington County, Utah. Menlo Park, CA: Dept. of the Interior, U.S. Geological Survey, 1986.
MLA (9th ed.) CitationBernstein, Lawrence R. Geology and Mineralogy of the Apex Germanium-gallium Mine, Washington County, Utah. Dept. of the Interior, U.S. Geological Survey, 1986.
Warning: These citations may not always be 100% accurate.