United States. Postmaster General. (1928). Stamp stock requisitions to be properly indorsed. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Postmaster General. Stamp Stock Requisitions to Be Properly Indorsed. Washington: U.S. GPO, 1928.
MLA (9th ed.) CitationUnited States. Postmaster General. Stamp Stock Requisitions to Be Properly Indorsed. U.S. GPO, 1928.
Warning: These citations may not always be 100% accurate.