Παραπομπή σε μορφή APA (7η εκδ.)

Comfort, R. A. (1966). Revolutionary Hamburg: Labor politics in the early Weimar Republic. Stanford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Comfort, Richard A. Revolutionary Hamburg: Labor Politics in the Early Weimar Republic. Standford, Calif: Stanford University Press, 1966.

Παραπομπή σε μορφή MLA (9th εκδ.)

Comfort, Richard A. Revolutionary Hamburg: Labor Politics in the Early Weimar Republic. Stanford University Press, 1966.