APA (7th ed.) Citation

Perko, L. (1991). Differential equations and dynamical systems (1. print.). Springer-Verl.

Chicago Style (17th ed.) Citation

Perko, Lawrence. Differential Equations and Dynamical Systems. 1. print. New York u.a: Springer-Verl, 1991.

MLA (9th ed.) Citation

Perko, Lawrence. Differential Equations and Dynamical Systems. 1. print. Springer-Verl, 1991.