APA Citation

De Witt, W J. (1970). Age of the Bedford Shale, Berea Sandstone, and Sunbury Shale in the Applachian and Michigan basins, Pennsylvania, Ohio and Michigan. Washington: U.S. Government Printing Office.

ISBD Citation

Age of the Bedford Shale, Berea Sandstone, and Sunbury Shale in the Applachian and Michigan basins, Pennsylvania, Ohio and Michigan / by Wallace de Witt, Jr . — Washington : U.S. Government Printing Office, 1970. — III, 11 Seiten; Illustrationen. — (Contributions to stratigraphy ; [1969])

MLA Citation

De Witt, Wallace Jr. Age of the Bedford Shale, Berea Sandstone, and Sunbury Shale in the Applachian and Michigan Basins, Pennsylvania, Ohio and Michigan.Washington: U.S. Government Printing Office, 1970.

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