United States. Congress. Senate. Committee on Post Offices and Post Roads & ProQuest (Firm). (1846). [Establishing mail route from western line of Missouri to mouth of Columbia river.]. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). [Establishing Mail Route from Western Line of Missouri to Mouth of Columbia River.]. Washington: [publisher not identified], 1846.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). [Establishing Mail Route from Western Line of Missouri to Mouth of Columbia River.]. [publisher not identified], 1846.
Warning: These citations may not always be 100% accurate.