APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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