Cita APA (7th ed.)
Williams, R. M. When Two Worlds Meet: Stories of Men on Mars. Modern Literary.
Cita Chicago (17th ed.)
Williams, Robert Moore. When Two Worlds Meet: Stories of Men on Mars. Nueva York, EUA: Modern Literary.
Cita MLA (9th ed.)
Williams, Robert Moore. When Two Worlds Meet: Stories of Men on Mars. Modern Literary.
Atenció: Aquestes cites poden no estar 100% correctes.