APA (7th ed.) Citation

National Science Foundation (U.S.) & Wells, R. E. (2004). The Loma Prieta, California, earthquake of October 17, 1989--geologic setting and crustal structure. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

National Science Foundation (U.S.) and Ray E. Wells. The Loma Prieta, California, Earthquake of October 17, 1989--geologic Setting and Crustal Structure. Reston, Virginia: U.S. Geological Survey, 2004.

MLA (9th ed.) Citation

National Science Foundation (U.S.) and Ray E. Wells. The Loma Prieta, California, Earthquake of October 17, 1989--geologic Setting and Crustal Structure. U.S. Geological Survey, 2004.