APA (7th ed.) Citation

O'Brien, J. C. (1868). Letter, To: "Dear Frank" From: J.C. O'Brien, February 29,1868.

Chicago Style (17th ed.) Citation

O'Brien, John C. Letter, To: "Dear Frank" From: J.C. O'Brien, February 29,1868. 1868.

MLA (8th ed.) Citation

O'Brien, John C. Letter, To: "Dear Frank" From: J.C. O'Brien, February 29,1868. 1868.

Warning: These citations may not always be 100% accurate.