APA (7th ed.) Citation

Geological Survey. (2011). Land cover: [United States]. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey. Land Cover: [United States]. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2011.

MLA (8th ed.) Citation

Geological Survey. Land Cover: [United States]. U.S. Dept. of the Interior, U.S. Geological Survey, 2011.

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