APA (7th ed.) Citation

(2014). Volcanic activity in Alaska: Summary of events and response of the Alaska Volcano Observatory. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Volcanic Activity in Alaska: Summary of Events and Response of the Alaska Volcano Observatory. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2014.

MLA (9th ed.) Citation

Volcanic Activity in Alaska: Summary of Events and Response of the Alaska Volcano Observatory. U.S. Department of the Interior, U.S. Geological Survey, 2014.