APA (7th ed.) Citation

Babbage, C. (1967). The ninth Bridgewater treatise: A fragment (2nd ed., reprinted.). Cass.

Chicago Style (17th ed.) Citation

Babbage, Charles. The Ninth Bridgewater Treatise: A Fragment. 2nd ed., reprinted. London: Cass, 1967.

MLA (9th ed.) Citation

Babbage, Charles. The Ninth Bridgewater Treatise: A Fragment. 2nd ed., reprinted. Cass, 1967.