United States. Department of State & ProQuest (Firm). (1844). Commercial systems. Letter for the Secretary of State, transmitting an account of changes and modifications in the commercial systems of other nations, &c. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of State and ProQuest (Firm). Commercial Systems. Letter for the Secretary of State, Transmitting an Account of Changes and Modifications in the Commercial Systems of Other Nations, &c. Washington: [publisher not identified], 1844.
MLA (9th ed.) CitationUnited States. Department of State and ProQuest (Firm). Commercial Systems. Letter for the Secretary of State, Transmitting an Account of Changes and Modifications in the Commercial Systems of Other Nations, &c. [publisher not identified], 1844.