Παραπομπή σε μορφή APA (7η εκδ.)

Gibbons, J. (1869). Letter, To: F.B. Gallagher Esq From: James Gibbons, June 18, 1869.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gibbons, James. Letter, To: F.B. Gallagher Esq From: James Gibbons, June 18, 1869. 1869.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gibbons, James. Letter, To: F.B. Gallagher Esq From: James Gibbons, June 18, 1869. 1869.