Παραπομπή σε μορφή APA (7η εκδ.)

Mumford, L. (1991). The city in history: Its origins, its transformations and its prospects. Penguin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Mumford, Lewis. The City in History: Its Origins, Its Transformations and Its Prospects. London: Penguin, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Mumford, Lewis. The City in History: Its Origins, Its Transformations and Its Prospects. Penguin, 1991.