Quesenberry, C. A., & Parker, M. J. (2011). 20 cool facts about the New Madrid Seismic Zone: Commemorating the bicentennial of the New Madrid earthquake sequence December 1811--February 1812. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationQuesenberry, Carol A., and Melanie J. Parker. 20 Cool Facts About the New Madrid Seismic Zone: Commemorating the Bicentennial of the New Madrid Earthquake Sequence December 1811--February 1812. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey, 2011.
MLA (9th ed.) CitationQuesenberry, Carol A., and Melanie J. Parker. 20 Cool Facts About the New Madrid Seismic Zone: Commemorating the Bicentennial of the New Madrid Earthquake Sequence December 1811--February 1812. U.S. Department of the Interior, U.S. Geological Survey, 2011.