Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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