United States. Congress. House. Committee on Patents, ProQuest (Firm), & United States. Patent Office. (1869). Report of the Commissioner of Patents for the year 1868. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Patents, ProQuest (Firm), and United States. Patent Office. Report of the Commissioner of Patents for the Year 1868. Washington: [publisher not identified], 1869.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Patents, et al. Report of the Commissioner of Patents for the Year 1868. [publisher not identified], 1869.
Warning: These citations may not always be 100% accurate.