APA (7th ed.) Citation

Geological Survey (U.S.), Simpson, R. W., Bakun, W. H., & Prescott, W. H. (1994). The Loma Prieta, California, earthquake of October 17, 1989: Tectonic processes and models. U.S. G.P.O..

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Robert W. Simpson, W. H. Bakun, and W. H. Prescott. The Loma Prieta, California, Earthquake of October 17, 1989: Tectonic Processes and Models. Washington: U.S. G.P.O., 1994.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. The Loma Prieta, California, Earthquake of October 17, 1989: Tectonic Processes and Models. U.S. G.P.O., 1994.