Cita APA (7th ed.)
Campbell, J. W. Analog 2. Paperback Library.
Cita Chicago (17th ed.)
Campbell, John Wood. Analog 2. Nueva York, EUA: Paperback Library.
Cita MLA (9th ed.)
Campbell, John Wood. Analog 2. Paperback Library.
Atenció: Aquestes cites poden no estar 100% correctes.