Cita APA (7a ed.)

Perko, L. (1991). Differential equations and dynamical systems. Springer.

Cita Chicago Style (17a ed.)

Perko, Lawrence. Differential Equations and Dynamical Systems. New York [etc.]: Springer, 1991.

Cita MLA (9a ed.)

Perko, Lawrence. Differential Equations and Dynamical Systems. Springer, 1991.