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How to cite an IRS form in MLA format. --Kris Swank, Librarian, NW Campus"
Government. Department. Agency. "Document title." Web site title. Publisher/sponsor. Publication date. Medium. Date of Access.
United States. Department of Treasury. Internal Revenue Service. "2004 Return of Organization Exempt from Income Tax (Form 990): American Cancer Society." 990 Finder. Foundation Center, 2006. Web. 14 October 2010.