APA (7th ed.) Citation

Anastassiou, G. A. (1992). Approximation theory. Marcel Dekker.

Chicago Style (17th ed.) Citation

Anastassiou, George A. Approximation Theory. Nueva York: Marcel Dekker, 1992.

MLA (9th ed.) Citation

Anastassiou, George A. Approximation Theory. Marcel Dekker, 1992.