APA (7th ed.) Citation

Geological Survey (U.S.) & Sturtevant, W. C. (1991). National Atlas. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and William C. Sturtevant. National Atlas. Reston, Va.: The Survey, 1991.

MLA (9th ed.) Citation

Geological Survey (U.S.) and William C. Sturtevant. National Atlas. The Survey, 1991.

Warning: These citations may not always be 100% accurate.