Παραπομπή σε μορφή APA (7η εκδ.)

Weber, J. L. (2006). Copperheads: The rise and fall of Lincoln's opponents in the North. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Weber, Jennifer L. Copperheads: The Rise and Fall of Lincoln's Opponents in the North. Oxford ; New York: Oxford University Press, 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

Weber, Jennifer L. Copperheads: The Rise and Fall of Lincoln's Opponents in the North. Oxford University Press, 2006.