Smith, G. O. (1913). The classification of the public lands. Department of the Interior, United States Geological Survey.
Chicago Style (17th ed.) CitationSmith, George Otis. The Classification of the Public Lands. [Washington, D.C.]: Department of the Interior, United States Geological Survey, 1913.
MLA (9th ed.) CitationSmith, George Otis. The Classification of the Public Lands. Department of the Interior, United States Geological Survey, 1913.
Warning: These citations may not always be 100% accurate.