What do the three hyphens in the following works cited entry from “atlantis rediscovered” indicate? timaeus. trans. donald j. zeyl. plato: the complete works. ed. john m. cooper. indianapolis; hackett, 1997. 1224–91. print. a. that the author is anonymous b. that the author is the same as that in the works cited entry above this one c. that the author is the same as the editor d. that the author is unknown