APA (7th ed.) Citation

United States. Internal Revenue Service. Package X: Informational copies of federal tax forms. Dept. of the Treasury, Internal Revenue Service.

Chicago Style (17th ed.) Citation

United States. Internal Revenue Service. Package X: Informational Copies of Federal Tax Forms. Washington, D.C.: Dept. of the Treasury, Internal Revenue Service.

MLA (9th ed.) Citation

United States. Internal Revenue Service. Package X: Informational Copies of Federal Tax Forms. Dept. of the Treasury, Internal Revenue Service.

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