APA (7th ed.) Citation

Hart, H. L. A. (1994). The concept of law (2nd ed.). Clarendon Press ; Oxford University Press.

Chicago Style (17th ed.) Citation

Hart, H. L. A. The Concept of Law. 2nd ed. Oxford : New York: Clarendon Press ; Oxford University Press, 1994.

MLA (9th ed.) Citation

Hart, H. L. A. The Concept of Law. 2nd ed. Clarendon Press ; Oxford University Press, 1994.