Παραπομπή σε μορφή APA (7η εκδ.)

Cope, J. B. (1931). Letter, To: "Dear Aunt Bessie" From: James B. Cope, February 17, 1931.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cope, James B. Letter, To: "Dear Aunt Bessie" From: James B. Cope, February 17, 1931. 1931.

Παραπομπή σε μορφή MLA (8th εκδ.)

Cope, James B. Letter, To: "Dear Aunt Bessie" From: James B. Cope, February 17, 1931. 1931.