Cita APA (7th ed.)
Wollheim, D. A., & Carr, T. World's Best Science Fiction, 1965. Ace Books.
Cita Chicago (17th ed.)
Wollheim, Donald A., i Terry Carr. World's Best Science Fiction, 1965. Nueva York, EUA: Ace Books.
Cita MLA (9th ed.)
Wollheim, Donald A., i Terry Carr. World's Best Science Fiction, 1965. Ace Books.
Atenció: Aquestes cites poden no estar 100% correctes.