United States. Bureau of Mines & Barker, J. C. (1981). Critical and strategic minerals in Alaska: Cobalt, the platinum group-metals, and chromite.
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines and James C. Barker. Critical and Strategic Minerals in Alaska: Cobalt, the Platinum Group-metals, and Chromite. 1981.
MLA (9th ed.) CitationUnited States. Bureau of Mines and James C. Barker. Critical and Strategic Minerals in Alaska: Cobalt, the Platinum Group-metals, and Chromite. 1981.
Warning: These citations may not always be 100% accurate.