APA (7th ed.) Citation

Ahlberg, J. H., Nilson, E. N., & Walsh, J. L. (1967). The theory of splines and their applications. Academic Press.

Chicago Style (17th ed.) Citation

Ahlberg, J. H., Edwin N. Nilson, and J. L. Walsh. The Theory of Splines and Their Applications. New York: Academic Press, 1967.

MLA (8th ed.) Citation

Ahlberg, J. H., et al. The Theory of Splines and Their Applications. Academic Press, 1967.