O'Neill, J. (1869). Letter, To: "My dear Gallagher" From: John O'Neill, December 24, 1869.
Chicago Style (17th ed.) CitationO'Neill, John. Letter, To: "My Dear Gallagher" From: John O'Neill, December 24, 1869. 1869.
MLA (8th ed.) CitationO'Neill, John. Letter, To: "My Dear Gallagher" From: John O'Neill, December 24, 1869. 1869.