APA-referens (7:e uppl.)
Mumford, L. (1961). The city in history: Its origins, its transformations, and its prospects ([1st ed.].). Harcourt, Brace & World.
Chicago-referens (17:e uppl.)
Mumford, Lewis. The City in History: Its Origins, Its Transformations, and Its Prospects. [1st ed.]. New York: Harcourt, Brace & World, 1961.
MLA-referens (9:e uppl.)
Mumford, Lewis. The City in History: Its Origins, Its Transformations, and Its Prospects. [1st ed.]. Harcourt, Brace & World, 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.