Cita APA (7a ed.)

Hart, H. L. A., Bulloch, P. A., & Raz, J. (1994). The concept of law (2nd ed.). Clarendon Press.

Cita Chicago Style (17a ed.)

Hart, Herbert Lionel Adolphus, Penelope A. Bulloch, y Joseph Raz. The Concept of Law. 2nd ed. Oxford: Clarendon Press, 1994.

Cita MLA (9a ed.)

Hart, Herbert Lionel Adolphus, et al. The Concept of Law. 2nd ed. Clarendon Press, 1994.