APA (7th ed.) Citation

Weir, G. W., Pojeta, J., Jr, Peterson, W. L., & Swadley, W. C. (1984). Lithostratigraphy of upper Ordovician strata exposed in Kentucky. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Weir, Gordon W., John Pojeta, Jr, Warren Lee Peterson, and W. C. Swadley. Lithostratigraphy of Upper Ordovician Strata Exposed in Kentucky. Washington: Department of the Interior, U.S. Geological Survey, 1984.

MLA (9th ed.) Citation

Weir, Gordon W., et al. Lithostratigraphy of Upper Ordovician Strata Exposed in Kentucky. Department of the Interior, U.S. Geological Survey, 1984.