APA (7th ed.) Citation

Berlin, I. (1979). The age of enlightenment: The eighteenth-century philosophers. Oxford University Press.

Chicago Style (17th ed.) Citation

Berlin, Isaiah. The Age of Enlightenment: The Eighteenth-century Philosophers. Oxford [etc.]: Oxford University Press, 1979.

MLA (9th ed.) Citation

Berlin, Isaiah. The Age of Enlightenment: The Eighteenth-century Philosophers. Oxford University Press, 1979.