APA (7th ed.) Citation

Prenter, P. M. (1975). Splines and variational methods. Wiley.

Chicago Style (17th ed.) Citation

Prenter, P. M. Splines and Variational Methods. N.Y.: Wiley, 1975.

MLA (9th ed.) Citation

Prenter, P. M. Splines and Variational Methods. Wiley, 1975.