Παραπομπή σε μορφή APA (7η εκδ.)

Middleton, T. C. (1897). Letter, To: "The President and Board of Directors of the American Catholic Historical Society" From: Fr. Thomas C. Middleton, O.S.A., December 14, 1897.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Middleton, Thomas C. Letter, To: "The President and Board of Directors of the American Catholic Historical Society" From: Fr. Thomas C. Middleton, O.S.A., December 14, 1897. 1897.

Παραπομπή σε μορφή MLA (8th εκδ.)

Middleton, Thomas C. Letter, To: "The President and Board of Directors of the American Catholic Historical Society" From: Fr. Thomas C. Middleton, O.S.A., December 14, 1897. 1897.