APA (7th ed.) Citation

Vickers, G. W., Ly, M., & Oetter, R. G. (1990). Numerically controlled machine tools. Ellis Horwood.

Chicago Style (17th ed.) Citation

Vickers, G. W., M. Ly, and R. G. Oetter. Numerically Controlled Machine Tools. New York: Ellis Horwood, 1990.

MLA (9th ed.) Citation

Vickers, G. W., et al. Numerically Controlled Machine Tools. Ellis Horwood, 1990.