MacGregor, I. K., & Lea, S. (1976). Mineral development in the eighties: Prospects and problems : a report. British North American Research Association ; National Planning Association.
Chicago Style (17th ed.) CitationMacGregor, Ian K., and Sperry Lea. Mineral Development in the Eighties: Prospects and Problems : A Report. [London] : [Washington, D.C.]: British North American Research Association ; National Planning Association, 1976.
MLA (9th ed.) CitationMacGregor, Ian K., and Sperry Lea. Mineral Development in the Eighties: Prospects and Problems : A Report. British North American Research Association ; National Planning Association, 1976.
Warning: These citations may not always be 100% accurate.