Cita APA (7a ed.)

Berlin, I., & Hardy, H. (2013). The Hedgehog and the Fox: An Essay on Tolstoy's View of History - Second Edition (Second edition.). Princeton University Press.

Cita Chicago Style (17a ed.)

Berlin, Isaiah, y Henry Hardy. The Hedgehog and the Fox: An Essay on Tolstoy's View of History - Second Edition. Second edition. Princeton: Princeton University Press, 2013.

Cita MLA (8a ed.)

Berlin, Isaiah, y Henry Hardy. The Hedgehog and the Fox: An Essay on Tolstoy's View of History - Second Edition. Second edition. Princeton University Press, 2013.