Cita APA (7a ed.)

Puu, T. (1989). Nonlinear economic dynamics. Springer.

Cita Chicago Style (17a ed.)

Puu, Tönu. Nonlinear Economic Dynamics. London [etc.]: Springer, 1989.

Cita MLA (9a ed.)

Puu, Tönu. Nonlinear Economic Dynamics. Springer, 1989.