Cita APA (7a ed.)

Berlin, I. (1956). The age of enlightenment. A Mentor Book.

Cita Chicago Style (17a ed.)

Berlin, Isaiah. The Age of Enlightenment. New York: A Mentor Book, 1956.

Cita MLA (9a ed.)

Berlin, Isaiah. The Age of Enlightenment. A Mentor Book, 1956.