Amsden, T. W. (1957). Stratigraphy and paleontology of the Hunton group in the Arbuckle Mountain region: Part I - Introduction to stratigraphy. Oklahoma Geological Survey.
Chicago Style (17th ed.) CitationAmsden, Thomas William. Stratigraphy and Paleontology of the Hunton Group in the Arbuckle Mountain Region: Part I - Introduction to Stratigraphy. Norman: Oklahoma Geological Survey, 1957.
MLA (9th ed.) CitationAmsden, Thomas William. Stratigraphy and Paleontology of the Hunton Group in the Arbuckle Mountain Region: Part I - Introduction to Stratigraphy. Oklahoma Geological Survey, 1957.
Warning: These citations may not always be 100% accurate.