Cita APA (7a ed.)

O'Brien, J. (1870). Note, To: "Gallagher" From: "JC," March 29, 1870.

Cita Chicago Style (17a ed.)

O'Brien, J.C. Note, To: "Gallagher" From: "JC," March 29, 1870. 1870.

Cita MLA (8a ed.)

O'Brien, J.C. Note, To: "Gallagher" From: "JC," March 29, 1870. 1870.