O'Neill, J. (1869). Letter, To: F.B. Gallagher Esq From: John O'Neill, October 14, 1869.
Chicagoスタイル(17版)引用形式O'Neill, John. Letter, To: F.B. Gallagher Esq From: John O'Neill, October 14, 1869. 1869.
MLA(8版)引用形式O'Neill, John. Letter, To: F.B. Gallagher Esq From: John O'Neill, October 14, 1869. 1869.
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