APA (7th ed.) Citation

United States. Department of the Treasury. (1918). Treasury decisions under internal-revenue laws of U.S., Vol. 20, Jan.-Dec. 1918. GPO.

Chicago Style (17th ed.) Citation

United States. Department of the Treasury. Treasury Decisions Under Internal-revenue Laws of U.S., Vol. 20, Jan.-Dec. 1918. [Washington]: GPO, 1918.

MLA (9th ed.) Citation

United States. Department of the Treasury. Treasury Decisions Under Internal-revenue Laws of U.S., Vol. 20, Jan.-Dec. 1918. GPO, 1918.

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