APA (7th ed.) Citation

United States. Internal Revenue Service. 1120-A/PC, the keys to a quick return. Dept. of the Treasury, Internal Revenue Service.

Chicago Style (17th ed.) Citation

United States. Internal Revenue Service. 1120-A/PC, the Keys to a Quick Return. [Washington, D.C.?]: Dept. of the Treasury, Internal Revenue Service.

MLA (8th ed.) Citation

United States. Internal Revenue Service. 1120-A/PC, the Keys to a Quick Return. Dept. of the Treasury, Internal Revenue Service.

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