APA (7th ed.) Citation

WATSON, G. A. (1980). Approximation theory and numerical methods. John Wiley.

Chicago Style (17th ed.) Citation

WATSON, G. Alistair. Approximation Theory and Numerical Methods. New York: John Wiley, 1980.

MLA (9th ed.) Citation

WATSON, G. Alistair. Approximation Theory and Numerical Methods. John Wiley, 1980.