Kelsen, H., & Paulson, B. L. (1992). Introduction to the problems of legal theory: A translation of the first edition of the Reine Rechtslehre or Pure theory of law (Edition.). Clarendon Press.
Citação norma ChicagoKelsen, Hans, and Bonnie Litsschewski Paulson. Introduction to the Problems of Legal Theory: A Translation of the First Edition of the Reine Rechtslehre or Pure Theory of Law. Edition. Oxford: Clarendon Press, 1992.
Citação norma MLAKelsen, Hans, and Bonnie Litsschewski Paulson. Introduction to the Problems of Legal Theory: A Translation of the First Edition of the Reine Rechtslehre or Pure Theory of Law. Edition. Clarendon Press, 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.