APA Edition Citation

Chui, C. K., & Schumaker, L. L. W. (1983). Approximation theory. Academic Press.

Chicago Edition Citation

Chui, C K., and Larry L Ward Schumaker. Approximation Theory. New York: Academic Press, 1983.

MLA Edition Citation

Chui, C K., and Larry L Ward Schumaker. Approximation Theory. Academic Press, 1983.