APA (7th ed.) Zitazioa

Hart, H. L. A., Bulloch, P. A., & Raz, J. (2012). The concept of law (3rd ed.). Oxford University Press.

Chicago Style (17th ed.) Zitazioa

Hart, H. L. A., Penelope A. Bulloch, eta Joseph Raz. The Concept of Law. 3rd ed. Oxford: Oxford University Press, 2012.

MLA (9th ed.) Zitazioa

Hart, H. L. A., et al. The Concept of Law. 3rd ed. Oxford University Press, 2012.