APA (7th ed.) Citation

Geological Survey (U.S.), United States. Environmental Protection Agency, & Batten, W. G. (1997). Rock-stratigraphic nomenclature, lithology, and subcrop area of the Galena-Platteville bedrock unit in Illinois and Wisconsin. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), United States. Environmental Protection Agency, and W. G. Batten. Rock-stratigraphic Nomenclature, Lithology, and Subcrop Area of the Galena-Platteville Bedrock Unit in Illinois and Wisconsin. [Reston, Va.]: The Survey, 1997.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Rock-stratigraphic Nomenclature, Lithology, and Subcrop Area of the Galena-Platteville Bedrock Unit in Illinois and Wisconsin. The Survey, 1997.