Cita APA (7a ed.)
Aldiss, B. W. Billion Year Spree: The History of Science Fiction. Doubleday.
Cita estilo Chicago (17a ed.)
Aldiss, Brian Wilson. Billion Year Spree: The History of Science Fiction. Nueva York, EUA: Doubleday.
Cita MLA (9a ed.)
Aldiss, Brian Wilson. Billion Year Spree: The History of Science Fiction. Doubleday.
Precaución: Estas citas no son 100% exactas.