Παραπομπή σε μορφή APA (7η εκδ.)

Barnabo, C. (1858). Letter, To: Bishop John Neumann, C.SS.R., From: Cardinal Barnabo, June 30, 1858.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Barnabo, Cardinal. Letter, To: Bishop John Neumann, C.SS.R., From: Cardinal Barnabo, June 30, 1858. 1858.

Παραπομπή σε μορφή MLA (8th εκδ.)

Barnabo, Cardinal. Letter, To: Bishop John Neumann, C.SS.R., From: Cardinal Barnabo, June 30, 1858. 1858.