United States. Department of the Treasury. (1920). Synopsis of income tax laws affecting calendar years 1916, 1917, and 1918. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of the Treasury. Synopsis of Income Tax Laws Affecting Calendar Years 1916, 1917, and 1918. Washington, D.C.: [publisher not identified], 1920.
MLA (9th ed.) CitationUnited States. Department of the Treasury. Synopsis of Income Tax Laws Affecting Calendar Years 1916, 1917, and 1918. [publisher not identified], 1920.
Warning: These citations may not always be 100% accurate.