United States. Postmaster General. (1911). Abstract of laws passed between 1792 and 1910, fixing rates of postage on domestic mail matter. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Postmaster General. Abstract of Laws Passed Between 1792 and 1910, Fixing Rates of Postage on Domestic Mail Matter. [Place of publication not identified]: [publisher not identified], 1911.
MLA (9th ed.) CitationUnited States. Postmaster General. Abstract of Laws Passed Between 1792 and 1910, Fixing Rates of Postage on Domestic Mail Matter. [publisher not identified], 1911.
Warning: These citations may not always be 100% accurate.