APA (7th ed.) Citation

Cressman, E. R. (1973). Lithostratigraphy and depositional environments of the Lexington Limestone (Ordovician) of central Kentucky. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Cressman, Earle Rupert. Lithostratigraphy and Depositional Environments of the Lexington Limestone (Ordovician) of Central Kentucky. Washington: United States Department of the Interior, Geological Survey, 1973.

MLA (9th ed.) Citation

Cressman, Earle Rupert. Lithostratigraphy and Depositional Environments of the Lexington Limestone (Ordovician) of Central Kentucky. United States Department of the Interior, Geological Survey, 1973.