APA (7th ed.) Citation

Kelsen, H., & Paulson, S. L. (1992). Introduction to the problems of legal theory. Oxford University Press.

Chicago Style (17th ed.) Citation

Kelsen, Hans, and Stanley L. Paulson. Introduction to the Problems of Legal Theory. New York: Oxford University Press, 1992.

MLA (8th ed.) Citation

Kelsen, Hans, and Stanley L. Paulson. Introduction to the Problems of Legal Theory. Oxford University Press, 1992.