Mumford, L. (1961). The city in history: Its origins, its transformations, and its prospects ([1st ed.].). Harcourt, Brace & World; Penguin Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mumford, Lewis. The City in History: Its Origins, Its Transformations, and Its Prospects. [1st ed.]. New York: Harcourt, Brace & World; Penguin Books, 1961.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mumford, Lewis. The City in History: Its Origins, Its Transformations, and Its Prospects. [1st ed.]. Harcourt, Brace & World; Penguin Books, 1961.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.