Cita APA (7a ed.)

Hart, H. L. A. (1971). Law, liberty and morality. Oxford University Press.

Cita Chicago Style (17a ed.)

Hart, H. L. A. Law, Liberty and Morality. London: Oxford University Press, 1971.

Cita MLA (9a ed.)

Hart, H. L. A. Law, Liberty and Morality. Oxford University Press, 1971.