APA (7th ed.) Citation

Sorey, M. L., Lewis, R. E., & Olmsted, F. H. (1978). The hydrothermal system of Long Valley caldera, California. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Sorey, M. L., R. E. Lewis, and F. H. Olmsted. The Hydrothermal System of Long Valley Caldera, California. Washington: United States Department of the Interior, Geological Survey, 1978.

MLA (9th ed.) Citation

Sorey, M. L., et al. The Hydrothermal System of Long Valley Caldera, California. United States Department of the Interior, Geological Survey, 1978.