United States. Congress. House & ProQuest (Firm). (1850). Message from the President of the United States, relative to the reciprocal admission of the natural products of the United States and Canada free of duty. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House and ProQuest (Firm). Message from the President of the United States, Relative to the Reciprocal Admission of the Natural Products of the United States and Canada Free of Duty. Washington: [publisher not identified], 1850.
MLA (9th ed.) CitationUnited States. Congress. House and ProQuest (Firm). Message from the President of the United States, Relative to the Reciprocal Admission of the Natural Products of the United States and Canada Free of Duty. [publisher not identified], 1850.