United States. Congress. House. Committee on Coinage, Weights, and Measures, & ProQuest (Firm). (1880). Laws of the United States relating to the annual assay: Rules for the organization and government of the Board of Assay Commissioners and proceedings of the Assay Commission of 1880. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Coinage, Weights, and Measures, and ProQuest (Firm). Laws of the United States Relating to the Annual Assay: Rules for the Organization and Government of the Board of Assay Commissioners and Proceedings of the Assay Commission of 1880. Washington: [publisher not identified], 1880.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Coinage, Weights, and Measures, and ProQuest (Firm). Laws of the United States Relating to the Annual Assay: Rules for the Organization and Government of the Board of Assay Commissioners and Proceedings of the Assay Commission of 1880. [publisher not identified], 1880.