V.E. McKelvey Forum on Mineral and Energy Resources Tucson, Ariz, Geological Survey (U.S.), Arizona Geological Society, University of Arizona, Arizona Geological Survey, Carter, L. M., . . . Lane, D. E. (1994). USGS research on mineral resources--1994. U.S. G.P.O. ; For sale by U.S. Geological Survey, Map Distribution.
Chicago Style (17th ed.) CitationV.E. McKelvey Forum on Mineral and Energy Resources Tucson, Ariz, et al. USGS Research on Mineral Resources--1994. Washington : Denver, CO: U.S. G.P.O. ; For sale by U.S. Geological Survey, Map Distribution, 1994.
MLA (9th ed.) CitationV.E. McKelvey Forum on Mineral and Energy Resources Tucson, Ariz, et al. USGS Research on Mineral Resources--1994. U.S. G.P.O. ; For sale by U.S. Geological Survey, Map Distribution, 1994.