United States. Department of the Treasury. Office of the Secretary. (1918). Surrender of war-savings certificate stamps, Series of 1918, held by agents of 2nd class. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of the Treasury. Office of the Secretary. Surrender of War-savings Certificate Stamps, Series of 1918, Held by Agents of 2nd Class. [Washington]: GPO, 1918.
MLA (9th ed.) CitationUnited States. Department of the Treasury. Office of the Secretary. Surrender of War-savings Certificate Stamps, Series of 1918, Held by Agents of 2nd Class. GPO, 1918.
Warning: These citations may not always be 100% accurate.