APA (7th ed.) Citation

Schultz, L. G. (1978). Mixed-layer clay in the Pierre Shale and equivalent rocks, northern Great Plains region. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Schultz, Leonard Gene. Mixed-layer Clay in the Pierre Shale and Equivalent Rocks, Northern Great Plains Region. [Reston, Va.]: Dept. of the Interior, Geological Survey, 1978.

MLA (9th ed.) Citation

Schultz, Leonard Gene. Mixed-layer Clay in the Pierre Shale and Equivalent Rocks, Northern Great Plains Region. Dept. of the Interior, Geological Survey, 1978.