United States. Postmaster General. (1902). Advertisement inviting proposals for carrying mails in screen wagons at cities and towns named herein in States of Ohio, Indiana, Illinois, Michigan, Wisconsin, Minnesota, Iowa, and Missouri, from July 1, 1903 to June 30, 1907. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Postmaster General. Advertisement Inviting Proposals for Carrying Mails in Screen Wagons at Cities and Towns Named Herein in States of Ohio, Indiana, Illinois, Michigan, Wisconsin, Minnesota, Iowa, and Missouri, from July 1, 1903 to June 30, 1907. [Place of publication not identified]: U.S. Government Printing Office, 1902.
MLA (9th ed.) CitationUnited States. Postmaster General. Advertisement Inviting Proposals for Carrying Mails in Screen Wagons at Cities and Towns Named Herein in States of Ohio, Indiana, Illinois, Michigan, Wisconsin, Minnesota, Iowa, and Missouri, from July 1, 1903 to June 30, 1907. U.S. Government Printing Office, 1902.