Geological Survey (U.S.). (2011). Felt SW quadrangle, Oklahoma--Texas: 7.5-minute series. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.). Felt SW Quadrangle, Oklahoma--Texas: 7.5-minute Series. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey, 2011.
MLA (8th ed.) CitationGeological Survey (U.S.). Felt SW Quadrangle, Oklahoma--Texas: 7.5-minute Series. U.S. Department of the Interior, U.S. Geological Survey, 2011.
Warning: These citations may not always be 100% accurate.