APA (7th ed.) Citation

William Gibson & Bruce Sterling. (2011). The difference engine (Twentieth Anniversary edition, Spectra trade paperback edition.). Spectra.

Chicago Style (17th ed.) Citation

William Gibson and Bruce Sterling. The Difference Engine. Twentieth Anniversary edition, Spectra trade paperback edition. New York: Spectra, 2011.

MLA (8th ed.) Citation

William Gibson and Bruce Sterling. The Difference Engine. Twentieth Anniversary edition, Spectra trade paperback edition. Spectra, 2011.