United States. Department of the Treasury. (1923). Internal Revenue manual: Parts III, IV, and list of forms, records, laws and regulations pertaining to Internal Revenue Service in use in collectors' offices for information and guidance of collectors and their employees. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Department of the Treasury. Internal Revenue Manual: Parts III, IV, and List of Forms, Records, Laws and Regulations Pertaining to Internal Revenue Service in Use in Collectors' Offices for Information and Guidance of Collectors and Their Employees. [Washington, D.C.]: U.S. Government Printing Office, 1923.
MLA (9th ed.) CitationUnited States. Department of the Treasury. Internal Revenue Manual: Parts III, IV, and List of Forms, Records, Laws and Regulations Pertaining to Internal Revenue Service in Use in Collectors' Offices for Information and Guidance of Collectors and Their Employees. U.S. Government Printing Office, 1923.