Citazione Stile APA (7a Edizione)

Conklin, G., & Asimov, I. (1972). Possible tomorrows: Science fiction. Sidgwick and Jackson.

Citazione stile Chigago Style (17a edizione)

Conklin, Groff, e Isaac Asimov. Possible Tomorrows: Science Fiction. London: Sidgwick and Jackson, 1972.

Citatione MLA (8a ed.)

Conklin, Groff, e Isaac Asimov. Possible Tomorrows: Science Fiction. Sidgwick and Jackson, 1972.