Guild, P. W. (1957). Geology and mineral resources of the Congonhas district Minas Gerais, Brazil: A study of pre-Cambrian sedimentary iron formation and associated deposits of hematite and manganese ores. U.S. Gov. Print. Off.
Chicago Style (17th ed.) CitationGuild, Philip W. Geology and Mineral Resources of the Congonhas District Minas Gerais, Brazil: A Study of Pre-Cambrian Sedimentary Iron Formation and Associated Deposits of Hematite and Manganese Ores. Washington, DC: U.S. Gov. Print. Off, 1957.
MLA (9th ed.) CitationGuild, Philip W. Geology and Mineral Resources of the Congonhas District Minas Gerais, Brazil: A Study of Pre-Cambrian Sedimentary Iron Formation and Associated Deposits of Hematite and Manganese Ores. U.S. Gov. Print. Off, 1957.
Warning: These citations may not always be 100% accurate.