O'Neill, J. (1869). Letter, To: F.B. Gallagher Esq From: John O'Neill, October 14, 1869.
Chicago Style (17th ed.) CitationO'Neill, John. Letter, To: F.B. Gallagher Esq From: John O'Neill, October 14, 1869. 1869.
MLA引文O'Neill, John. Letter, To: F.B. Gallagher Esq From: John O'Neill, October 14, 1869. 1869.
警告：这些引文格式不一定是100％准确.