United States. Postmaster General. (1920). Damaged war-savings, thrift, and internal-revenue stamps. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Postmaster General. Damaged War-savings, Thrift, and Internal-revenue Stamps. Washington: [publisher not identified], 1920.
MLA (9th ed.) CitationUnited States. Postmaster General. Damaged War-savings, Thrift, and Internal-revenue Stamps. [publisher not identified], 1920.
Warning: These citations may not always be 100% accurate.