APA (7th ed.) Citation

United States. National Oceanic and Atmospheric Administration. (1990). [Earthquakes]. [National Oceanic and Atmospheric Administration].

Chicago Style (17th ed.) Citation

United States. National Oceanic and Atmospheric Administration. [Earthquakes]. [Rockville, Md.]: [National Oceanic and Atmospheric Administration], 1990.

MLA (9th ed.) Citation

United States. National Oceanic and Atmospheric Administration. [Earthquakes]. [National Oceanic and Atmospheric Administration], 1990.