Berlin, I., Hardy, H., & Ignatieff, M. (2013). The hedgehog and the fox: An essay on Tolstoy's view of history (Second Edition.). Princeton University Press.
Citace podle Chicago (17th ed.)Berlin, Isaiah, Henry Hardy, a Michael Ignatieff. The Hedgehog and the Fox: An Essay on Tolstoy's View of History. Second Edition. Princeton, New Jersey: Princeton University Press, 2013.
Citace podle MLA (8th ed.)Berlin, Isaiah, et al. The Hedgehog and the Fox: An Essay on Tolstoy's View of History. Second Edition. Princeton University Press, 2013.
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