United States. Congress. Senate. Committee on Post Offices and Post Roads & ProQuest (Firm). (1925). Precanceled stamped envelopes. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). Precanceled Stamped Envelopes. Washington: [publisher not identified], 1925.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). Precanceled Stamped Envelopes. [publisher not identified], 1925.
Warning: These citations may not always be 100% accurate.