APA (7th ed.) Citation

Watson, W. A., Oates, P. J., & Philipson, T. (1969). Numerical analysis: The mathematics of computing. Edward Arnold.

Chicago Style (17th ed.) Citation

Watson, W. A., P. J. Oates, and T. Philipson. Numerical Analysis: The Mathematics of Computing. London: Edward Arnold, 1969.

MLA (8th ed.) Citation

Watson, W. A., et al. Numerical Analysis: The Mathematics of Computing. Edward Arnold, 1969.