APA (7th ed.) Citation

Houghton, P. S. (1948). The milling machine. C. Lockwood.

Chicago Style (17th ed.) Citation

Houghton, Philip Stephen. The Milling Machine. London: C. Lockwood, 1948.

MLA (9th ed.) Citation

Houghton, Philip Stephen. The Milling Machine. C. Lockwood, 1948.

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