APA Citation

Poppe, B. B. (1980). Directory of world seismograph stations. Boulder, Colo.: World Data Center a for Solid Earth Geophysics U S Dept of Commerce.

Chicago Style Citation

Poppe, Barbara B. Directory of World Seismograph Stations. Boulder, Colo.: World Data Center a for Solid Earth Geophysics U S Dept of Commerce, 1980.

MLA Citation

Poppe, Barbara B. Directory of World Seismograph Stations. Boulder, Colo.: World Data Center a for Solid Earth Geophysics U S Dept of Commerce, 1980.

Warning: These citations may not always be 100% accurate.