Παραπομπή σε μορφή APA (7η εκδ.)

Knodel, J. E. (2002). Demographic behavior in the past: A study of fourteen German village populations in the eighteenth and nineteenth centuries. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Knodel, John E. Demographic Behavior in the Past: A Study of Fourteen German Village Populations in the Eighteenth and Nineteenth Centuries. Cambridge: Cambridge University Press, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Knodel, John E. Demographic Behavior in the Past: A Study of Fourteen German Village Populations in the Eighteenth and Nineteenth Centuries. Cambridge University Press, 2002.