APA (7th ed.) Citation

Geological Survey (U.S.). (1997). Volcanoes! U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Volcanoes! [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

MLA (9th ed.) Citation

Geological Survey (U.S.). Volcanoes! U.S. Dept. of the Interior, U.S. Geological Survey, 1997.