United States. Internal Revenue Service. Volunteer assistor's guide for use in IRS volunteer programs. Dept. of the Treasury, Internal Revenue Service.
Chicago Style (17th ed.) CitationUnited States. Internal Revenue Service. Volunteer Assistor's Guide for Use in IRS Volunteer Programs. [Washington, D.C.]: Dept. of the Treasury, Internal Revenue Service.
MLA (9th ed.) CitationUnited States. Internal Revenue Service. Volunteer Assistor's Guide for Use in IRS Volunteer Programs. Dept. of the Treasury, Internal Revenue Service.
Warning: These citations may not always be 100% accurate.