Cita APA (7a ed.)

Leoni, B., & Kemp, A. (1991). Freedom and the law (Expanded 3rd ed.). Liberty Fund.

Cita Chicago Style (17a ed.)

Leoni, Bruno, y Arthur Kemp. Freedom and the Law. Expanded 3rd ed. Indianapolis: Liberty Fund, 1991.

Cita MLA (9a ed.)

Leoni, Bruno, y Arthur Kemp. Freedom and the Law. Expanded 3rd ed. Liberty Fund, 1991.