Παραπομπή σε μορφή APA (7η εκδ.)

Shafer, R. J. (1958). The economic societies in the Spanish world, 1763-1821. Syracuse University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Shafer, Robert Jones. The Economic Societies in the Spanish World, 1763-1821. [Syracuse, N.Y.]: Syracuse University Press, 1958.

Παραπομπή σε μορφή MLA (9th εκδ.)

Shafer, Robert Jones. The Economic Societies in the Spanish World, 1763-1821. Syracuse University Press, 1958.