APA (7th ed.) Citation

Childs, J. J. (1982). Principles of numerical control (3rd ed.). Industrial Press.

Chicago Style (17th ed.) Citation

Childs, James J. Principles of Numerical Control. 3rd ed. New York, N.Y: Industrial Press, 1982.

MLA (9th ed.) Citation

Childs, James J. Principles of Numerical Control. 3rd ed. Industrial Press, 1982.