Cita APA (7th ed.)
Nourse, A. E. (1967). The Universe Between. Paperback Library.
Cita Chicago (17th ed.)
Nourse, Alan E. The Universe Between. Nueva York, EUA: Paperback Library, 1967.
Cita MLA (9th ed.)
Nourse, Alan E. The Universe Between. Paperback Library, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.