The Roots of Romanticism.

MLA

Berlin, Isaiah, and Henry Hardy. The Roots of Romanticism. New Jersey: Princeton University Press, 1999.

APA

Berlin, I., & Hardy, H. (1999). The Roots of Romanticism. New Jersey: Princeton University Press.

Chicago

Berlin, Isaiah, and Henry Hardy. The Roots of Romanticism. New Jersey: Princeton University Press, 1999.