The day after doomsday :
a fantasy of time travel /
by Rena M. Vale.
APA Citation
Vale, R. M. (Rena Marie)., Paperback Library (Firm). (1970). The day after doomsday: a fantasy of time travel. New York: Paperback Library.
MLA Citation
Vale, Rena M. (Rena Marie), 1898-1983, and Paperback Library (Firm). The Day After Doomsday: a Fantasy of Time Travel. New York: Paperback Library, 1970.
Warning: These citations may not always be complete (especially for serials).