Cita APA (7a ed.)
Clarke, A. C. Voices from the Sky: Previews of the Coming Space Age. Pyramid Books.
Cita estilo Chicago (17a ed.)
Clarke, Arthur C. Voices from the Sky: Previews of the Coming Space Age. Nueva York, EUA: Pyramid Books.
Cita MLA (9a ed.)
Clarke, Arthur C. Voices from the Sky: Previews of the Coming Space Age. Pyramid Books.
Precaución: Estas citas no son 100% exactas.