APA (7th ed.) Citation

United States. Internal Revenue Service. Understanding your EIN (employer identification number). Dept. of the Treasury, Internal Revenue Service.

Chicago Style (17th ed.) Citation

United States. Internal Revenue Service. Understanding Your EIN (employer Identification Number). [Washington, D.C.?]: Dept. of the Treasury, Internal Revenue Service.

MLA (9th ed.) Citation

United States. Internal Revenue Service. Understanding Your EIN (employer Identification Number). Dept. of the Treasury, Internal Revenue Service.

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