United States. Postmaster General. (1900). Advertisement inviting proposals for carrying mails of U.S. in State of Maine, from July 1, 1901 to June 30, 1905. GPO.
Chicago Style (17th ed.) CitationUnited States. Postmaster General. Advertisement Inviting Proposals for Carrying Mails of U.S. in State of Maine, from July 1, 1901 to June 30, 1905. [Washington]: GPO, 1900.
MLA (9th ed.) CitationUnited States. Postmaster General. Advertisement Inviting Proposals for Carrying Mails of U.S. in State of Maine, from July 1, 1901 to June 30, 1905. GPO, 1900.
Warning: These citations may not always be 100% accurate.