Cross, W., & Hillebrand, W. F. (1885). Contributions to the mineralogy of the Rocky mountains. Department of the Interior, United States Geological Survey.
Chicago Style (17th ed.) CitationCross, Whitman, and W. F. Hillebrand. Contributions to the Mineralogy of the Rocky Mountains. Washington, D.C.: Department of the Interior, United States Geological Survey, 1885.
MLA (9th ed.) CitationCross, Whitman, and W. F. Hillebrand. Contributions to the Mineralogy of the Rocky Mountains. Department of the Interior, United States Geological Survey, 1885.
Warning: These citations may not always be 100% accurate.