APA (7th ed.) Citation

United States. Department of the Interior. (1921). Forty-third annual report of Director of U.S. Geological Survey to Secretary of Interior. GPO.

Chicago Style (17th ed.) Citation

United States. Department of the Interior. Forty-third Annual Report of Director of U.S. Geological Survey to Secretary of Interior. [Washington]: GPO, 1921.

MLA (9th ed.) Citation

United States. Department of the Interior. Forty-third Annual Report of Director of U.S. Geological Survey to Secretary of Interior. GPO, 1921.

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