Society of Economic Geologists Symposia Denver, Society of Economic Geologists (U.S.), Hutchinson, R. W., & Grauch, R. I. (1991). Historical perspectives of genetic concepts and case histories of famous discoveries. Economic Geology Publishing.
Chicago Style (17th ed.) CitationSociety of Economic Geologists Symposia Denver, Society of Economic Geologists (U.S.), Richard W. Hutchinson, and Richard I. Grauch. Historical Perspectives of Genetic Concepts and Case Histories of Famous Discoveries. [New Haven, Colo.]: Economic Geology Publishing, 1991.
MLA (9th ed.) CitationSociety of Economic Geologists Symposia Denver, et al. Historical Perspectives of Genetic Concepts and Case Histories of Famous Discoveries. Economic Geology Publishing, 1991.
Warning: These citations may not always be 100% accurate.