APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Watson, W. A., T. Philipson, and P. J. Oates. Numerical Analysis: The Mathematics of Computing. New York: American Elsevier, 1969.

MLA (9th ed.) Citation

Watson, W. A., et al. Numerical Analysis: The Mathematics of Computing. American Elsevier, 1969.