APA (7th ed.) Citation

Geological Survey (U.S.) & Stoeser, D. B. (2005). Geologic map database of Texas (Version 1.1. posted Jan. 2007.). U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and D. B. Stoeser. Geologic Map Database of Texas. Version 1.1. posted Jan. 2007. [Denver, Colo.]: U.S. Geological Survey, 2005.

MLA (9th ed.) Citation

Geological Survey (U.S.) and D. B. Stoeser. Geologic Map Database of Texas. Version 1.1. posted Jan. 2007. U.S. Geological Survey, 2005.