Cite
MLA (8th Edition)
Garrity, Christopher P. Database of the Geologic Map of North America, Adopted From the Map by J.C. Reed, Jr. and Others (2005). U.S. Dept. of the Interior, U.S. Geological Survey, 2009.
APA (7th Edition)
Garrity, C. P. (2009). Database of the geologic map of North America, adopted from the map by J.C. Reed, Jr. and others (2005). U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago (17th Edition)
Garrity, Christopher P. “Database of the Geologic Map of North America, Adopted from the Map by J.C. Reed, Jr. and Others (2005).” Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2009.