APA Citatie

Ditzian, Z., & Totik, V. (1987). Moduli of smoothness. Springer-Verlag.

Chicago Style citaat

Ditzian, Zeev, en V. Totik. Moduli of Smoothness. New York: Springer-Verlag, 1987.

MLA citatie

Ditzian, Zeev, en V. Totik. Moduli of Smoothness. Springer-Verlag, 1987.