APA (7th ed.) Citation

Marshall, R. B. (1918). Spirit leveling in Illinois, 1914 to 1917, inclusive. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Marshall, R. B. Spirit Leveling in Illinois, 1914 to 1917, Inclusive. [Washington, D.C.]: Department of the Interior, United States Geological Survey, 1918.

MLA (9th ed.) Citation

Marshall, R. B. Spirit Leveling in Illinois, 1914 to 1917, Inclusive. Department of the Interior, United States Geological Survey, 1918.

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