Geological Survey. (1999). Map accuracy standards. U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey. Map Accuracy Standards. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.
MLA (8th ed.) CitationGeological Survey. Map Accuracy Standards. U.S. Dept. of the Interior, U.S. Geological Survey, 1999.
Warning: These citations may not always be 100% accurate.