APA (7th ed.) Citation

United States. Department of the Treasury. (1919). Treasury decisions under internal-revenue laws of U.S., Vol. 21, Jan.-Dec. 1919. GPO.

Chicago Style (17th ed.) Citation

United States. Department of the Treasury. Treasury Decisions Under Internal-revenue Laws of U.S., Vol. 21, Jan.-Dec. 1919. [Washington]: GPO, 1919.

MLA (9th ed.) Citation

United States. Department of the Treasury. Treasury Decisions Under Internal-revenue Laws of U.S., Vol. 21, Jan.-Dec. 1919. GPO, 1919.

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