APA (7th ed.) Citation

Ertell, G. G. (1969). Numerical control / by G.G. Ertell. Wiley-Interscience.

Chicago Style (17th ed.) Citation

Ertell, G. G. Numerical Control / by G.G. Ertell. Wiley-Interscience, 1969.

MLA (9th ed.) Citation

Ertell, G. G. Numerical Control / by G.G. Ertell. Wiley-Interscience, 1969.

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