Cita APA

Mill, J. S. 1., & Gray, J. 1. (1991). On liberty and other essays. Oxford, New York: Oxford University Press.

Citación estilo Chicago

Mill, John Stuart 1806-1873, y John 1948- Gray. On Liberty and Other Essays. Oxford, New York: Oxford University Press, 1991.

Cita MLA

Mill, John Stuart 1806-1873, y John 1948- Gray. On Liberty and Other Essays. Oxford, New York: Oxford University Press, 1991.