APA

Gardner J., . (1973). The wreckage of Agathon. New York: Ballant'ne Books.

Chicago

Gardner John, . 1973. The wreckage of Agathon. New York: Ballant'ne Books.

Harvard

Gardner J., . (1973). The wreckage of Agathon. New York: Ballant'ne Books.

MLA

Gardner John, . The wreckage of Agathon. New York: Ballant'ne Books. 1973.