APA (7th ed.) Citation

Commerce Clearing House. Internal revenue code: Income, estate and gift tax provisions, including amendments. Commerce Clearing House.

Chicago Style (17th ed.) Citation

Commerce Clearing House. Internal Revenue Code: Income, Estate and Gift Tax Provisions, Including Amendments. Chicago: Commerce Clearing House.

MLA (9th ed.) Citation

Commerce Clearing House. Internal Revenue Code: Income, Estate and Gift Tax Provisions, Including Amendments. Commerce Clearing House.

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