APA (7th ed.) Citation

Clarke, A. C. (1994). The hammer of God. Bantam Books.

Chicago Style (17th ed.) Citation

Clarke, Arthur Charles. The Hammer of God. New York [etc.]: Bantam Books, 1994.

MLA (9th ed.) Citation

Clarke, Arthur Charles. The Hammer of God. Bantam Books, 1994.

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