Παραπομπή σε μορφή APA (7η εκδ.)

Smale, S. (1980). The mathematics of time: Essays on dynamical systems, economic processes and related topics. Springer-Verlag.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Smale, Steve. The Mathematics of Time: Essays on Dynamical Systems, Economic Processes and Related Topics. New York: Springer-Verlag, 1980.

Παραπομπή σε μορφή MLA (8th εκδ.)

Smale, Steve. The Mathematics of Time: Essays on Dynamical Systems, Economic Processes and Related Topics. Springer-Verlag, 1980.