Geological Survey (U.S.). (2006). Earthquake information products and tools from the Advanced National Seismic System (ANSS) (Version 1.0.). U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.). Earthquake Information Products and Tools from the Advanced National Seismic System (ANSS). Version 1.0. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2006.
MLA (9th ed.) CitationGeological Survey (U.S.). Earthquake Information Products and Tools from the Advanced National Seismic System (ANSS). Version 1.0. U.S. Dept. of the Interior, U.S. Geological Survey, 2006.
Warning: These citations may not always be 100% accurate.