APA (7th ed.) Citation

Johnson, R. F., Lewis, R. W., & C., G. A. (1955). Geology and ore deposits of the Atacocha District, Departamento de Pasco, Peru. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Johnson, Robert F., Richard W. Lewis, and Guillermo Abele C. Geology and Ore Deposits of the Atacocha District, Departamento De Pasco, Peru. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1955.

MLA (9th ed.) Citation

Johnson, Robert F., et al. Geology and Ore Deposits of the Atacocha District, Departamento De Pasco, Peru. United States Department of the Interior, Geological Survey, 1955.