APA (7th ed.) Citation

Babbage, C. (1835). On the economy of machinery and manufactures (Fourth edition, enlarged.). Charles Knight.

Chicago Style (17th ed.) Citation

Babbage, Charles. On the Economy of Machinery and Manufactures. Fourth edition, enlarged. London: Charles Knight, 1835.

MLA (9th ed.) Citation

Babbage, Charles. On the Economy of Machinery and Manufactures. Fourth edition, enlarged. Charles Knight, 1835.

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