APA (7th ed.) Citation

United States. Department of the Treasury. (1920). Sales tax rulings. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

United States. Department of the Treasury. Sales Tax Rulings. [Washington, D.C.]: U.S. Government Printing Office, 1920.

MLA (9th ed.) Citation

United States. Department of the Treasury. Sales Tax Rulings. U.S. Government Printing Office, 1920.