Cita APA (7a ed.)
Lessig, L. Free Culture: The Nature and Future of Creativity. Penguin.
Cita estilo Chicago (17a ed.)
Lessig, Lawrence. Free Culture: The Nature and Future of Creativity. Nueva York, EUA: Penguin.
Cita MLA (9a ed.)
Lessig, Lawrence. Free Culture: The Nature and Future of Creativity. Penguin.
Precaución: Estas citas no son 100% exactas.