APA (7th ed.) Citation

National Geophysical Data Center. (1990). Earthquake intensity database search, 1638-1985. National Geophysical Data Center.

Chicago Style (17th ed.) Citation

National Geophysical Data Center. Earthquake Intensity Database Search, 1638-1985. [Boulder, Colo.]: National Geophysical Data Center, 1990.

MLA (9th ed.) Citation

National Geophysical Data Center. Earthquake Intensity Database Search, 1638-1985. National Geophysical Data Center, 1990.

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