National Geophysical and Solar-Terrestrial Data Center (U.S.). (1978). Earthquake data services and publications. U.S. Dept. of Commerce, Environmental Data Service, National Geophysical and Solar-Terrestrial Data Center.
Cita Chicago Style (17a ed.)National Geophysical and Solar-Terrestrial Data Center (U.S.). Earthquake Data Services and Publications. Boulder, Colo.: U.S. Dept. of Commerce, Environmental Data Service, National Geophysical and Solar-Terrestrial Data Center, 1978.
Cita MLA (8a ed.)National Geophysical and Solar-Terrestrial Data Center (U.S.). Earthquake Data Services and Publications. U.S. Dept. of Commerce, Environmental Data Service, National Geophysical and Solar-Terrestrial Data Center, 1978.
Precaución: Estas citas no son 100% exactas.