APA (7th ed.) Citation

Oregon. Water Resources Dept & O'Connor, J. E. (2001). Origin, extent, and thickness of quaternary geologic units in the Willamette Valley, Oregon. U.S. Dept. of the Interior, U.S. Geological Survey For sale by the U.S. Geological Survey, Information Services.

Chicago Style (17th ed.) Citation

Oregon. Water Resources Dept and Jim E. O'Connor. Origin, Extent, and Thickness of Quaternary Geologic Units in the Willamette Valley, Oregon. Reston, Va., Denver, CO: U.S. Dept. of the Interior, U.S. Geological Survey For sale by the U.S. Geological Survey, Information Services, 2001.

MLA (9th ed.) Citation

Oregon. Water Resources Dept and Jim E. O'Connor. Origin, Extent, and Thickness of Quaternary Geologic Units in the Willamette Valley, Oregon. U.S. Dept. of the Interior, U.S. Geological Survey For sale by the U.S. Geological Survey, Information Services, 2001.