APA (7th ed.) Citation

Geological Survey (U.S.) & Myers, B. (1997). What are volcano hazards? U.S. Geological Survey, Cascades Volcano Observatory.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Bobbie Myers. What Are Volcano Hazards? Vancouver, Wa: U.S. Geological Survey, Cascades Volcano Observatory, 1997.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Bobbie Myers. What Are Volcano Hazards? U.S. Geological Survey, Cascades Volcano Observatory, 1997.

Warning: These citations may not always be 100% accurate.