APA (7th ed.) Citation

Arnold, C. A. (1936). Observations on fossil plants from the Devonian of eastern North America. University of Michigan Press.

Chicago Style (17th ed.) Citation

Arnold, Chester A. Observations on Fossil Plants from the Devonian of Eastern North America. Ann Arbor: University of Michigan Press, 1936.

MLA (9th ed.) Citation

Arnold, Chester A. Observations on Fossil Plants from the Devonian of Eastern North America. University of Michigan Press, 1936.