APA (7th ed.) Citation

Doukas, M. P. (1990). Road guide to volcanic deposits of Mount St. Helens and vicinity, Washington. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Doukas, Michael P. Road Guide to Volcanic Deposits of Mount St. Helens and Vicinity, Washington. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1990.

MLA (9th ed.) Citation

Doukas, Michael P. Road Guide to Volcanic Deposits of Mount St. Helens and Vicinity, Washington. Dept. of the Interior, U.S. Geological Survey, 1990.