ECU Libraries Catalog
U.S. Geological Survey World Wide Web information
MLA
U.s. Geological Survey World Wide Web Information. Reston, VA: U.S. Dept. of the Interior, U.S. Geological Survey, 2003.
APA
(2003). U.S. Geological Survey World Wide Web information. Reston, VA: U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago
U.S. Geological Survey World Wide Web Information. Reston, VA: U.S. Dept. of the Interior, U.S. Geological Survey, 2003.