United States. Post Office Department. (1913). Regulations governing operation of postal savings depositories, promulgated by Postmaster General together with Act of Congress approved June 25, 1910, as amended by Act of Aug. 24, 1912. GPO.
Chicago Style (17th ed.) CitationUnited States. Post Office Department. Regulations Governing Operation of Postal Savings Depositories, Promulgated by Postmaster General Together with Act of Congress Approved June 25, 1910, as Amended by Act of Aug. 24, 1912. [Washington]: GPO, 1913.
MLA (9th ed.) CitationUnited States. Post Office Department. Regulations Governing Operation of Postal Savings Depositories, Promulgated by Postmaster General Together with Act of Congress Approved June 25, 1910, as Amended by Act of Aug. 24, 1912. GPO, 1913.