APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.