APA (7th ed.) Citation

United States. Department of the Interior. (1927). Forty-ninth annual report of Director of Geological Survey to Secretary of Interior. GPO.

Chicago Style (17th ed.) Citation

United States. Department of the Interior. Forty-ninth Annual Report of Director of Geological Survey to Secretary of Interior. [Washington]: GPO, 1927.

MLA (9th ed.) Citation

United States. Department of the Interior. Forty-ninth Annual Report of Director of Geological Survey to Secretary of Interior. GPO, 1927.

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