APA (7th ed.) Citation

Petersen, M. D. (2015). Seismic-hazard maps for the conterminous United States, 2014. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Petersen, Mark D. Seismic-hazard Maps for the Conterminous United States, 2014. [Reston, VA]: U.S. Department of the Interior, U.S. Geological Survey, 2015.

MLA (9th ed.) Citation

Petersen, Mark D. Seismic-hazard Maps for the Conterminous United States, 2014. U.S. Department of the Interior, U.S. Geological Survey, 2015.

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