APA (7th ed.) Citation

Williams, H. S. (1891). Correlation papers: Devonian and Carboniferous. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Williams, Henry Shaler. Correlation Papers: Devonian and Carboniferous. Washington, D.C.: Department of the Interior, United States Geological Survey, 1891.

MLA (9th ed.) Citation

Williams, Henry Shaler. Correlation Papers: Devonian and Carboniferous. Department of the Interior, United States Geological Survey, 1891.

Warning: These citations may not always be 100% accurate.