APA (7th ed.) Citation

Gill, J. R., Cobban, W. A., & Schultz, L. G. (1972). Stratigraphy and composition of the Sharon Springs Member of the Pierre Shale in western Kansas. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Gill, James R., William A. Cobban, and Leonard Gene Schultz. Stratigraphy and Composition of the Sharon Springs Member of the Pierre Shale in Western Kansas. Washington: U.S. Govt. Print. Off, 1972.

MLA (9th ed.) Citation

Gill, James R., et al. Stratigraphy and Composition of the Sharon Springs Member of the Pierre Shale in Western Kansas. U.S. Govt. Print. Off, 1972.