APA (7th ed.) Citation

Hart, H. L. A. (1997). The Concept of Law. University Press.

Chicago Style (17th ed.) Citation

Hart, H. L. A. The Concept of Law. Oxford: University Press, 1997.

MLA (8th ed.) Citation

Hart, H. L. A. The Concept of Law. University Press, 1997.

Warning: These citations may not always be 100% accurate.