Παραπομπή σε μορφή APA (7η εκδ.)

Fogel, R. W. (1964). Railroads and American economic growth: Essays in econometric history. Johns Hopkins Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Fogel, Robert William. Railroads and American Economic Growth: Essays in Econometric History. Baltimore: Johns Hopkins Press, 1964.

Παραπομπή σε μορφή MLA (8th εκδ.)

Fogel, Robert William. Railroads and American Economic Growth: Essays in Econometric History. Johns Hopkins Press, 1964.