APA (7th ed.) Citation

Garrity, C. P., & Soller, D. R. (2009). Database of the geologic map of North America, adopted from the map by J.C. Reed, Jr. and others (2005) (Version 1.0.). U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Garrity, Christopher P., and D. R. Soller. Database of the Geologic Map of North America, Adopted from the Map by J.C. Reed, Jr. and Others (2005). Version 1.0. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2009.

MLA (9th ed.) Citation

Garrity, Christopher P., and D. R. Soller. Database of the Geologic Map of North America, Adopted from the Map by J.C. Reed, Jr. and Others (2005). Version 1.0. U.S. Dept. of the Interior, U.S. Geological Survey, 2009.