Cita APA (7a ed.)

Levi, E. H., & Schauer, F. F. (1949). An introduction to legal reasoning. The University of Chicago Press.

Cita Chicago Style (17a ed.)

Levi, Edward H., y Frederick F. Schauer. An Introduction to Legal Reasoning. Chicago: The University of Chicago Press, 1949.

Cita MLA (9a ed.)

Levi, Edward H., y Frederick F. Schauer. An Introduction to Legal Reasoning. The University of Chicago Press, 1949.