United States. Patent Office & ProQuest (Firm). (1851). Report of the Commissioner of Patents, for the year 1850. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Patent Office and ProQuest (Firm). Report of the Commissioner of Patents, for the Year 1850. Washington: [publisher not identified], 1851.
MLA (9th ed.) CitationUnited States. Patent Office and ProQuest (Firm). Report of the Commissioner of Patents, for the Year 1850. [publisher not identified], 1851.
Warning: These citations may not always be 100% accurate.