Douglas, R. [. (1972). Geology and economic minerals of Canada. Departament of energy, mines and resources.
Chicago Style (17th ed.) CitationDouglas, R.J.W [editor]. Geology and Economic Minerals of Canada. Otawa: Departament of energy, mines and resources, 1972.
MLA (9th ed.) CitationDouglas, R.J.W [editor]. Geology and Economic Minerals of Canada. Departament of energy, mines and resources, 1972.
Warning: These citations may not always be 100% accurate.