Gabler, R. C., & Riley, W. D. (1990). A cobalt commodity recycling flow model. U.S. Dept. of the Interior, Bureau of Mines.
Chicago Style (17th ed.) CitationGabler, Robert C., and W. D. Riley. A Cobalt Commodity Recycling Flow Model. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, 1990.
MLA (9th ed.) CitationGabler, Robert C., and W. D. Riley. A Cobalt Commodity Recycling Flow Model. U.S. Dept. of the Interior, Bureau of Mines, 1990.
Warning: These citations may not always be 100% accurate.