United States. Congress. Senate. Committee on Patents & ProQuest (Firm). (1868). [Petition of O. F. Winchester for extension of letters patent.]. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Patents and ProQuest (Firm). [Petition of O. F. Winchester for Extension of Letters Patent.]. Washington: [publisher not identified], 1868.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Patents and ProQuest (Firm). [Petition of O. F. Winchester for Extension of Letters Patent.]. [publisher not identified], 1868.
Warning: These citations may not always be 100% accurate.