APA (7th ed.) Citation

Marshall, R. B. (1916). Spirit leveling in Maine, 1899-1915. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Marshall, R. B. Spirit Leveling in Maine, 1899-1915. [Washington, D.C.]: Department of the Interior, United States Geological Survey, 1916.

MLA (9th ed.) Citation

Marshall, R. B. Spirit Leveling in Maine, 1899-1915. Department of the Interior, United States Geological Survey, 1916.