APA (7th ed.) Citation

Hart, H. L. A., Bulloch, P. A., & Raz, J. (1994). The concpet of Law (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Hart, H. L. A., Penelope A. Bulloch, and Joseph Raz. The Concpet of Law. 2nd ed. Oxford: Oxford University Press, 1994.

MLA (8th ed.) Citation

Hart, H. L. A., et al. The Concpet of Law. 2nd ed. Oxford University Press, 1994.