Cita APA (7a ed.)

Howell, G. R. (1896). Letter, To: "Mr. Thomas C. Middleton O.S.A." From: George R. Howell, August 13, 1896.

Cita Chicago Style (17a ed.)

Howell, George Rogers. Letter, To: "Mr. Thomas C. Middleton O.S.A." From: George R. Howell, August 13, 1896. 1896.

Cita MLA (8a ed.)

Howell, George Rogers. Letter, To: "Mr. Thomas C. Middleton O.S.A." From: George R. Howell, August 13, 1896. 1896.