Landon, B. (2002). Science fiction after 1900: From the steam man to the stars (1. Routledge paperback ed.). Routledge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLandon, Brooks. Science Fiction After 1900: From the Steam Man to the Stars. 1. Routledge paperback ed. New York [u.a.]: Routledge, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLandon, Brooks. Science Fiction After 1900: From the Steam Man to the Stars. 1. Routledge paperback ed. Routledge, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.