Sammel, E. A., & Craig, R. W. (1983). Hydrology of the Newberry Volcano caldera, Oregon. U.S. Geological Survey.
Chicago Style (17th ed.) CitationSammel, Edward A., and Robert W. Craig. Hydrology of the Newberry Volcano Caldera, Oregon. Menlo Park, California: U.S. Geological Survey, 1983.
MLA (9th ed.) CitationSammel, Edward A., and Robert W. Craig. Hydrology of the Newberry Volcano Caldera, Oregon. U.S. Geological Survey, 1983.
Warning: These citations may not always be 100% accurate.