Dart, R. L. (1980). Puerto Rico seismic network data report of earthquakes located by the programs HYPO71 and HYPOELLIPSE, July 1, 1975-December 31, 1977. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationDart, R. L. Puerto Rico Seismic Network Data Report of Earthquakes Located by the Programs HYPO71 and HYPOELLIPSE, July 1, 1975-December 31, 1977. [Reston, Virginia]: United States Department of the Interior, Geological Survey, 1980.
MLA (9th ed.) CitationDart, R. L. Puerto Rico Seismic Network Data Report of Earthquakes Located by the Programs HYPO71 and HYPOELLIPSE, July 1, 1975-December 31, 1977. United States Department of the Interior, Geological Survey, 1980.
Warning: These citations may not always be 100% accurate.