The day the world ended
[by] Gordon Thomas and Max Morgan Witts.
APA Citation
Thomas, G., Morgan Witts, M. (1969). The day the world ended. New York: Stein and Day.
MLA Citation
Thomas, Gordon, 1933-2017, and Max Morgan Witts. The Day the World Ended. New York: Stein and Day, 1969.
Warning: These citations may not always be complete (especially for serials).