United States. Congress. House. Committee on Patents & ProQuest (Firm). (1876). Extension of patent to DeWitt C. Cumings. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Patents and ProQuest (Firm). Extension of Patent to DeWitt C. Cumings. Washington: [publisher not identified], 1876.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Patents and ProQuest (Firm). Extension of Patent to DeWitt C. Cumings. [publisher not identified], 1876.
Warning: These citations may not always be 100% accurate.