APA (7th ed.) Citation

Riley, D. (1978). Critical encounters: Writers and themes in science fiction. Ungar.

Chicago Style (17th ed.) Citation

Riley, Dick. Critical Encounters: Writers and Themes in Science Fiction. New York: Ungar, 1978.

MLA (9th ed.) Citation

Riley, Dick. Critical Encounters: Writers and Themes in Science Fiction. Ungar, 1978.