United States. Department of the Interior. (1926). Forty-eighth annual report of Director of Geological Survey to Secretary of Interior. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. Forty-eighth Annual Report of Director of Geological Survey to Secretary of Interior. [Washington]: GPO, 1926.
MLA (9th ed.) CitationUnited States. Department of the Interior. Forty-eighth Annual Report of Director of Geological Survey to Secretary of Interior. GPO, 1926.
Warning: These citations may not always be 100% accurate.