Glicken, H., Meyer, W., & Sabol, M. (1989). Geology and ground-water hydrology of Spirit Lake blockage, Mount St. Helens, Washington, with implications for lake retention. U.S. G.P.O. : For sale by the Books and Open-File Reports Section, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGlicken, Harry, William Meyer, and Martha Sabol. Geology and Ground-water Hydrology of Spirit Lake Blockage, Mount St. Helens, Washington, with Implications for Lake Retention. [Washington, D.C.]: U.S. G.P.O. : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1989.
MLA (9th ed.) CitationGlicken, Harry, et al. Geology and Ground-water Hydrology of Spirit Lake Blockage, Mount St. Helens, Washington, with Implications for Lake Retention. U.S. G.P.O. : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1989.