APA (7th ed.) Citation

Ryder, R. T. (2008). Stratigraphic framework of Cambrian and Ordovician rocks in the Appalachian Basin from Sequatchie County, Tennessee, through eastern Kentucky, to Mingo County, West Virginia. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Ryder, Robert T. Stratigraphic Framework of Cambrian and Ordovician Rocks in the Appalachian Basin from Sequatchie County, Tennessee, Through Eastern Kentucky, to Mingo County, West Virginia. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2008.

MLA (9th ed.) Citation

Ryder, Robert T. Stratigraphic Framework of Cambrian and Ordovician Rocks in the Appalachian Basin from Sequatchie County, Tennessee, Through Eastern Kentucky, to Mingo County, West Virginia. U.S. Dept. of the Interior, U.S. Geological Survey, 2008.