(1913). Franking of 4th-class official mail matter. [publisher not identified].
Chicago Style (17th ed.) CitationFranking of 4th-class Official Mail Matter. Washington, D.C.: [publisher not identified], 1913.
MLA (9th ed.) CitationFranking of 4th-class Official Mail Matter. [publisher not identified], 1913.
Warning: These citations may not always be 100% accurate.