APA (7th ed.) Citation

Gibson, W., & Sterling, B. (1990). The difference engine (1. publ.). Gollancz.

Chicago Style (17th ed.) Citation

Gibson, William, and Bruce Sterling. The Difference Engine. 1. publ. London: Gollancz, 1990.

MLA (9th ed.) Citation

Gibson, William, and Bruce Sterling. The Difference Engine. 1. publ. Gollancz, 1990.