APA (7th ed.) Citation

Izett, G. A., Cobban, W. A., & Gill, J. R. (1971). The Pierre shale near Kremmling, Colorado: And its correlation to the east and the west. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Izett, Glen Arthur, William A. Cobban, and James R. Gill. The Pierre Shale Near Kremmling, Colorado: And Its Correlation to the East and the West. Washington: U.S. Govt. Print. Off, 1971.

MLA (9th ed.) Citation

Izett, Glen Arthur, et al. The Pierre Shale Near Kremmling, Colorado: And Its Correlation to the East and the West. U.S. Govt. Print. Off, 1971.