Preston, D. J. (2005). The codex (1st mass market ed.). Tor.
Cita Chicago Style (17a ed.)Preston, Douglas J. The Codex. 1st mass market ed. New York: Tor, 2005.
Cita MLA (8a ed.)Preston, Douglas J. The Codex. 1st mass market ed. Tor, 2005.
Precaución: Estas citas no son 100% exactas.