APA (7th ed.) Citation

Ray, L. L. (1965). Geomorphology and Quaternary geology of the Owensboro quadrangle, Indiana and Kentucky. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Ray, Louis L. Geomorphology and Quaternary Geology of the Owensboro Quadrangle, Indiana and Kentucky. Washington: United States Department of the Interior, Geological Survey, 1965.

MLA (9th ed.) Citation

Ray, Louis L. Geomorphology and Quaternary Geology of the Owensboro Quadrangle, Indiana and Kentucky. United States Department of the Interior, Geological Survey, 1965.