Παραπομπή σε μορφή APA (7η εκδ.)

Mumford, L. (1961). The city in history: Its origins, its transformations, and its prospects ([1st ed.].). Harcourt, Brace & World; Penguin Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Mumford, Lewis. The City in History: Its Origins, Its Transformations, and Its Prospects. [1st ed.]. New York: Harcourt, Brace & World; Penguin Books, 1961.

Παραπομπή σε μορφή MLA (8th εκδ.)

Mumford, Lewis. The City in History: Its Origins, Its Transformations, and Its Prospects. [1st ed.]. Harcourt, Brace & World; Penguin Books, 1961.