APA

Hart H. L. A., Bulloch P. A. & Raz J. (1994). The concept of law. Oxford (Oxfordshire, Inglaterra): Clarendon Press.

Chicago

Hart Herbert Lionel Adolphus, Bulloch Penelope A and Raz Joseph. 1994. The concept of law. Oxford (Oxfordshire, Inglaterra): Clarendon Press.

Harvard

Hart H. L. A., Bulloch P. A. and Raz J. (1994). The concept of law. Oxford (Oxfordshire, Inglaterra): Clarendon Press.

MLA

Hart Herbert Lionel Adolphus, Bulloch Penelope A and Raz Joseph. The concept of law. Oxford (Oxfordshire, Inglaterra): Clarendon Press. 1994.