Παραπομπή σε μορφή APA (7η εκδ.)

Müller, J. (2011). Contesting democracy: Political ideas in twentieth-century Europe. Yale University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Müller, Jan-Werner. Contesting Democracy: Political Ideas in Twentieth-century Europe. New Haven, CT: Yale University Press, 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Müller, Jan-Werner. Contesting Democracy: Political Ideas in Twentieth-century Europe. Yale University Press, 2011.