Geological Survey (U.S.) & Smith, J. H. (1956). Geologic map of the Crompton quadrangle, Rhode Island: Surficial geology. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and J. Hiram Smith. Geologic Map of the Crompton Quadrangle, Rhode Island: Surficial Geology. Reston, Va.: The Survey, 1956.
MLA (9th ed.) CitationGeological Survey (U.S.) and J. Hiram Smith. Geologic Map of the Crompton Quadrangle, Rhode Island: Surficial Geology. The Survey, 1956.
Warning: These citations may not always be 100% accurate.