APA (7th ed.) Citation

Geological Survey (U.S.). (1911). Regulations and instructions of U.S. Geological Survey. U.S. GPO.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Regulations and Instructions of U.S. Geological Survey. Washington: U.S. GPO, 1911.

MLA (9th ed.) Citation

Geological Survey (U.S.). Regulations and Instructions of U.S. Geological Survey. U.S. GPO, 1911.

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