APA (7th ed.) Citation

Marshall, R. B. (1914). Results of spirit leveling in Maryland, 1896 to 1911, inclusive. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Marshall, R. B. Results of Spirit Leveling in Maryland, 1896 to 1911, Inclusive. [Washington, D.C.]: Department of the Interior, United States Geological Survey, 1914.

MLA (9th ed.) Citation

Marshall, R. B. Results of Spirit Leveling in Maryland, 1896 to 1911, Inclusive. Department of the Interior, United States Geological Survey, 1914.

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