APA (7th ed.) Citation

United States. Internal Revenue Service. Tax Exempt and Government Entities. Customer Account Services & United States. Internal Revenue Service. (2003). Customer account services. Dept. of the Treasury, Internal Revenue Service.

Chicago Style (17th ed.) Citation

United States. Internal Revenue Service. Tax Exempt and Government Entities. Customer Account Services and United States. Internal Revenue Service. Customer Account Services. [Washington, D.C.]: Dept. of the Treasury, Internal Revenue Service, 2003.

MLA (9th ed.) Citation

United States. Internal Revenue Service. Tax Exempt and Government Entities. Customer Account Services and United States. Internal Revenue Service. Customer Account Services. Dept. of the Treasury, Internal Revenue Service, 2003.