Παραπομπή σε μορφή APA (7η εκδ.)

Callahan, N. J. (1975). Irish parishes as a mobility factor in Cleveland in the 19th century. S.l..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Callahan, Nelson J. Irish Parishes as a Mobility Factor in Cleveland in the 19th Century. S.l., 1975.

Παραπομπή σε μορφή MLA (8th εκδ.)

Callahan, Nelson J. Irish Parishes as a Mobility Factor in Cleveland in the 19th Century. S.l., 1975.