APA (7th ed.) Citation

Ditzian, Z., & Totik, V. (1987). Moduli of Smoothness. Springer New York.

Chicago Style (17th ed.) Citation

Ditzian, Z., and V. Totik. Moduli of Smoothness. New York, NY: Springer New York, 1987.

MLA (9th ed.) Citation

Ditzian, Z., and V. Totik. Moduli of Smoothness. Springer New York, 1987.