Marshall, R. B. (1914). Results of spirit leveling in Oklahoma, 1895 to 1912, inclusive. Department of the Interior, United States Geological Survey.
Chicago Style (17th ed.) CitationMarshall, R. B. Results of Spirit Leveling in Oklahoma, 1895 to 1912, Inclusive. [Washington, D.C.]: Department of the Interior, United States Geological Survey, 1914.
MLA (9th ed.) CitationMarshall, R. B. Results of Spirit Leveling in Oklahoma, 1895 to 1912, Inclusive. Department of the Interior, United States Geological Survey, 1914.
Warning: These citations may not always be 100% accurate.