Παραπομπή σε μορφή APA (7η εκδ.)

Griffin, M. I. J. Letter, To: The Members of St. Elizabeth's Beneficial Society, No. 558 I.C.B.U. From: Martin I J Griffin, [n.d.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Griffin, Martin I. J. Letter, To: The Members of St. Elizabeth's Beneficial Society, No. 558 I.C.B.U. From: Martin I J Griffin, [n.d.].

Παραπομπή σε μορφή MLA (8th εκδ.)

Griffin, Martin I. J. Letter, To: The Members of St. Elizabeth's Beneficial Society, No. 558 I.C.B.U. From: Martin I J Griffin, [n.d.].