APA (7th ed.) Citation

Eco, U., David, C., Lenoir, F., & Tonnac, J. d. (2000). Conversations about the end of time (1st Fromm International ed.). Fromm International.

Chicago Style (17th ed.) Citation

Eco, Umberto, Catherine David, Frédéric Lenoir, and Jean-Philippe de Tonnac. Conversations About the End of Time. 1st Fromm International ed. New York: Fromm International, 2000.

MLA (9th ed.) Citation

Eco, Umberto, et al. Conversations About the End of Time. 1st Fromm International ed. Fromm International, 2000.