National Earthquake Information Center, World Data Center A for Seismology, Geological Survey (U.S.), & Goter, S. K. (1988). Map showing global distribution of seismicity, 1977-1986. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationNational Earthquake Information Center, World Data Center A for Seismology, Geological Survey (U.S.), and Susan K. Goter. Map Showing Global Distribution of Seismicity, 1977-1986. Reston, Va.: Dept. of the Interior, U.S. Geological Survey, 1988.
MLA (9th ed.) CitationNational Earthquake Information Center, et al. Map Showing Global Distribution of Seismicity, 1977-1986. Dept. of the Interior, U.S. Geological Survey, 1988.
Warning: These citations may not always be 100% accurate.