APA (7th ed.) Citation

Simmons, G. C. (1968). Geology and iron deposits of the western Serra do Curral, Minas Gerais, Brazil. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Simmons, George Clarke. Geology and Iron Deposits of the Western Serra Do Curral, Minas Gerais, Brazil. Washington: United States Department of the Interior, Geological Survey, 1968.

MLA (9th ed.) Citation

Simmons, George Clarke. Geology and Iron Deposits of the Western Serra Do Curral, Minas Gerais, Brazil. United States Department of the Interior, Geological Survey, 1968.