Frankel, A. D., & Mueller, C. C. (2008). Calculation of the rate of M [greater than or equal to] 6.5 earthquakes for California and adjacent portions of Nevada and Mexico. U.S. Geological Survey.
Chicago Style (17th ed.) CitationFrankel, Arthur D., and Charles Curt Mueller. Calculation of the Rate of M [greater than or Equal to] 6.5 Earthquakes for California and Adjacent Portions of Nevada and Mexico. Reston, Va.: U.S. Geological Survey, 2008.
MLA (9th ed.) CitationFrankel, Arthur D., and Charles Curt Mueller. Calculation of the Rate of M [greater than or Equal to] 6.5 Earthquakes for California and Adjacent Portions of Nevada and Mexico. U.S. Geological Survey, 2008.
Warning: These citations may not always be 100% accurate.