Co, W. W. D. &. (1845). Letter, To: Charles Keen From: W. W. DeForest & Co., August 9, 1845.
Chicago Style (17th ed.) CitationCo, W. W. DeForest &. Letter, To: Charles Keen From: W. W. DeForest & Co., August 9, 1845. 1845.
MLA (8th ed.) CitationCo, W. W. DeForest &. Letter, To: Charles Keen From: W. W. DeForest & Co., August 9, 1845. 1845.