ProQuest (Firm). (1867). [Heirs of George Faber for extension of patent.]. [publisher not identified].
Chicago Style (17th ed.) CitationProQuest (Firm). [Heirs of George Faber for Extension of Patent.]. Washington: [publisher not identified], 1867.
MLA (9th ed.) CitationProQuest (Firm). [Heirs of George Faber for Extension of Patent.]. [publisher not identified], 1867.
Warning: These citations may not always be 100% accurate.