APA (7th ed.) Zitazioa
Eco, U., David, C., Lenoir, F., & Tonnac, J. d. Conversations About the End of Time. Penguin.
Chicago Style (17th ed.) Zitazioa
Eco, Umberto, Catherine David, Frédéric Lenoir, eta Jean-Philippe de Tonnac. Conversations About the End of Time. Londres, Inglaterra: Penguin.
MLA (9th ed.) Zitazioa
Eco, Umberto, et al. Conversations About the End of Time. Penguin.
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