APA (7th ed.) Citation

Meyer, W., & Sabol, M. (1989). Hydrology of the Castle Lake blockage, Mount St. Helens, Washington. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Meyer, William, and Martha Sabol. Hydrology of the Castle Lake Blockage, Mount St. Helens, Washington. Tacoma, Wash.: Dept. of the Interior, U.S. Geological Survey, 1989.

MLA (9th ed.) Citation

Meyer, William, and Martha Sabol. Hydrology of the Castle Lake Blockage, Mount St. Helens, Washington. Dept. of the Interior, U.S. Geological Survey, 1989.