Παραπομπή σε μορφή APA (7η εκδ.)

Withington, A. F. (1991). Toward a more perfect union: Virtue and the formation of American republics. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Withington, Ann Fairfax. Toward a More Perfect Union: Virtue and the Formation of American Republics. New York ; Toronto: Oxford University Press, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Withington, Ann Fairfax. Toward a More Perfect Union: Virtue and the Formation of American Republics. Oxford University Press, 1991.