APA (7th ed.) Citation

Clarke, A. C. (1966). The exploration of space (Rev. ed.). Fawcett Publications.

Chicago Style (17th ed.) Citation

Clarke, Arthur C. The Exploration of Space. Rev. ed. Greenwich, Conn.: Fawcett Publications, 1966.

MLA (9th ed.) Citation

Clarke, Arthur C. The Exploration of Space. Rev. ed. Fawcett Publications, 1966.