APA (7th ed.) Citation

Clarke, A. C. (1954). Expedition to earth. Spere books limited.

Chicago Style (17th ed.) Citation

Clarke, A. C. Expedition to Earth. London: Spere books limited, 1954.

MLA (8th ed.) Citation

Clarke, A. C. Expedition to Earth. Spere books limited, 1954.

Warning: These citations may not always be 100% accurate.