APA (7th ed.) Citation

United States. Internal Revenue Service. Tax information security guidelines and federal, state, and local agencies: Safeguards for protecting federal tax returns and return information. Dept. of the Treasury, Internal Revenue Service.

Chicago Style (17th ed.) Citation

United States. Internal Revenue Service. Tax Information Security Guidelines and Federal, State, and Local Agencies: Safeguards for Protecting Federal Tax Returns and Return Information. [Washington, D.C.?]: Dept. of the Treasury, Internal Revenue Service.

MLA (9th ed.) Citation

United States. Internal Revenue Service. Tax Information Security Guidelines and Federal, State, and Local Agencies: Safeguards for Protecting Federal Tax Returns and Return Information. Dept. of the Treasury, Internal Revenue Service.