United States. Postmaster General. (1908). Bulletin advertisement inviting proposals for carrying mails in regulation screen wagons in city of Chicago, Ill., from July 1, 1908 to June 30, 1911. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Postmaster General. Bulletin Advertisement Inviting Proposals for Carrying Mails in Regulation Screen Wagons in City of Chicago, Ill., from July 1, 1908 to June 30, 1911. [Place of publication not identified]: U.S. Government Printing Office, 1908.
MLA (9th ed.) CitationUnited States. Postmaster General. Bulletin Advertisement Inviting Proposals for Carrying Mails in Regulation Screen Wagons in City of Chicago, Ill., from July 1, 1908 to June 30, 1911. U.S. Government Printing Office, 1908.
Warning: These citations may not always be 100% accurate.