United States. Congress. House, Gale (Firm), & Boyce, W. W. (1858). Free trade: Mr. Boyce report on duties on imports .. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House, Gale (Firm), and William Waters Boyce. Free Trade: Mr. Boyce Report on Duties on Imports .. [Washington?]: [publisher not identified], 1858.
MLA (9th ed.) CitationUnited States. Congress. House, et al. Free Trade: Mr. Boyce Report on Duties on Imports .. [publisher not identified], 1858.
Warning: These citations may not always be 100% accurate.