O'Neill, J. (1868). Letter, To: F.B. Gallagher Esq From: John O'Neill, February 29, 1868.
Chicago Style (17. basım) AtıfO'Neill, John. Letter, To: F.B. Gallagher Esq From: John O'Neill, February 29, 1868. 1868.
MLA (8th ed.) AtıfO'Neill, John. Letter, To: F.B. Gallagher Esq From: John O'Neill, February 29, 1868. 1868.
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