Cita APA (7th ed.)

Levi, E. H. (1968). An introduction to legal reasoning. University of Chicago.

Cita Chicago (17th ed.)

Levi, Edward H. An Introduction to Legal Reasoning. Chicago: University of Chicago, 1968.

Cita MLA (9th ed.)

Levi, Edward H. An Introduction to Legal Reasoning. University of Chicago, 1968.