APA (7th ed.) Citation

United States. Department of the Treasury. (1921). Income tax primer. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

United States. Department of the Treasury. Income Tax Primer. [Washington, D.C.]: U.S. Government Printing Office, 1921.

MLA (9th ed.) Citation

United States. Department of the Treasury. Income Tax Primer. U.S. Government Printing Office, 1921.