APA (7th ed.) Citation

United States. Internal Revenue Service. Federal tax products. U.S. G.P.O.

Chicago Style (17th ed.) Citation

United States. Internal Revenue Service. Federal Tax Products. Washington, DC: U.S. G.P.O.

MLA (9th ed.) Citation

United States. Internal Revenue Service. Federal Tax Products. U.S. G.P.O.

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