U.S. Coast and Geodetic Survey. (1928). U.S. earthquakes, 1928. GPO.
Chicago Style (17th ed.) CitationU.S. Coast and Geodetic Survey. U.S. Earthquakes, 1928. [Washington]: GPO, 1928.
MLA (9th ed.) CitationU.S. Coast and Geodetic Survey. U.S. Earthquakes, 1928. GPO, 1928.
Warning: These citations may not always be 100% accurate.