United States. Postmaster General. (1928). Forwarding of C.O.D. parcels may be limited by senders. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Postmaster General. Forwarding of C.O.D. Parcels May Be Limited by Senders. Washington: U.S. GPO, 1928.
MLA (9th ed.) CitationUnited States. Postmaster General. Forwarding of C.O.D. Parcels May Be Limited by Senders. U.S. GPO, 1928.
Warning: These citations may not always be 100% accurate.