APA (7th ed.) Citation

Sohl, N. F. (1960). Archeogastropoda, mesogastropoda and stratigraphy of the Ripley, Owl Creek, and Prairie Bluff formations. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Sohl, Norman F. Archeogastropoda, Mesogastropoda and Stratigraphy of the Ripley, Owl Creek, and Prairie Bluff Formations. Washington: United States Department of the Interior, Geological Survey, 1960.

MLA (9th ed.) Citation

Sohl, Norman F. Archeogastropoda, Mesogastropoda and Stratigraphy of the Ripley, Owl Creek, and Prairie Bluff Formations. United States Department of the Interior, Geological Survey, 1960.