United States. Department of the Treasury. Office of the Secretary. (1920). Further regulations governing Treasury savings certificates, Series of 1918, Series of 1919, and Series of 1920. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of the Treasury. Office of the Secretary. Further Regulations Governing Treasury Savings Certificates, Series of 1918, Series of 1919, and Series of 1920. [Washington]: GPO, 1920.
MLA (9th ed.) CitationUnited States. Department of the Treasury. Office of the Secretary. Further Regulations Governing Treasury Savings Certificates, Series of 1918, Series of 1919, and Series of 1920. GPO, 1920.
Warning: These citations may not always be 100% accurate.