United States. Department of the Treasury. (1923). Instructions relative to reports on Form 1421; Form 1418 discontinued. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Department of the Treasury. Instructions Relative to Reports on Form 1421; Form 1418 Discontinued. [Washington, D.C.]: U.S. Government Printing Office, 1923.
MLA (9th ed.) CitationUnited States. Department of the Treasury. Instructions Relative to Reports on Form 1421; Form 1418 Discontinued. U.S. Government Printing Office, 1923.
Warning: These citations may not always be 100% accurate.