Παραπομπή σε μορφή APA (7η εκδ.)

Watkins, S. C. (1991). From provinces into nations: Demographic integration in Western Europe, 1870-1960. Princeton University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Watkins, Susan Cotts. From Provinces into Nations: Demographic Integration in Western Europe, 1870-1960. Princeton: Princeton University Press, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Watkins, Susan Cotts. From Provinces into Nations: Demographic Integration in Western Europe, 1870-1960. Princeton University Press, 1991.