APA (7th ed.) Citation

Droste, J. B., & Shaver, R. H. (1987). Upper Silurian and Lower Devonian stratigraphy of the central Illinois Basin. State of Indiana, Dept. of Natural Resources, Geological Survey : For sale by Publications Section, Geological Survey.

Chicago Style (17th ed.) Citation

Droste, John Brown, and Robert Harold Shaver. Upper Silurian and Lower Devonian Stratigraphy of the Central Illinois Basin. Bloomington, IN (611 N. Walnut Grove, Bloomington 47405): State of Indiana, Dept. of Natural Resources, Geological Survey : For sale by Publications Section, Geological Survey, 1987.

MLA (8th ed.) Citation

Droste, John Brown, and Robert Harold Shaver. Upper Silurian and Lower Devonian Stratigraphy of the Central Illinois Basin. State of Indiana, Dept. of Natural Resources, Geological Survey : For sale by Publications Section, Geological Survey, 1987.