APA (7th ed.) Citation

Duffield, W. A., & Guffanti, M. (1982). The Geothermal Research Program of the U.S. Geological Survey. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Duffield, Wendell A., and Marianne Guffanti. The Geothermal Research Program of the U.S. Geological Survey. Reston, Virginia: United States Department of the Interior, Geological Survey, 1982.

MLA (9th ed.) Citation

Duffield, Wendell A., and Marianne Guffanti. The Geothermal Research Program of the U.S. Geological Survey. United States Department of the Interior, Geological Survey, 1982.