Ahlberg, J., Nilson, E., & Walsh, J. (1967). The theory of splines and their applications. Academic Press.
Chicago Style (17th ed.) CitationAhlberg, J.H, E.N Nilson, and J.L Walsh. The Theory of Splines and Their Applications. New York: Academic Press, 1967.
MLA (8th ed.) CitationAhlberg, J.H, et al. The Theory of Splines and Their Applications. Academic Press, 1967.
Warning: These citations may not always be 100% accurate.