Παραπομπή σε μορφή APA (7η εκδ.)

Morrison, A. L. (1868). Letter, To: "My Dear Gallagher," From: A. L. Morrison, May 27, 1868.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Morrison, A. L. Letter, To: "My Dear Gallagher," From: A. L. Morrison, May 27, 1868. 1868.

Παραπομπή σε μορφή MLA (8th εκδ.)

Morrison, A. L. Letter, To: "My Dear Gallagher," From: A. L. Morrison, May 27, 1868. 1868.