Cita APA

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

Citación estilo Chicago

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

Cita MLA

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