Cita APA (7th ed.)

Aldiss, B. W. (1973). Billion year spree: The true history of science fiction. Doubleday.

Cita Chicago (17th ed.)

Aldiss, Brian Wilson. Billion Year Spree: The True History of Science Fiction. Garden City, N.Y: Doubleday, 1973.

Cita MLA (9th ed.)

Aldiss, Brian Wilson. Billion Year Spree: The True History of Science Fiction. Doubleday, 1973.