APA (7th ed.) Citation

Walker, E. H. (1953). Geology and ground-water resources of the Covington-Newport alluvial area, Kentucky. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Walker, Eugene H. Geology and Ground-water Resources of the Covington-Newport Alluvial Area, Kentucky. Washington, D.C.: United States Department of the Interior, Geological Survey, 1953.

MLA (9th ed.) Citation

Walker, Eugene H. Geology and Ground-water Resources of the Covington-Newport Alluvial Area, Kentucky. United States Department of the Interior, Geological Survey, 1953.