Cita APA (7a ed.)

Pontryagin, L. (1962). Ordinary differential equations. Addison-Wesley.

Cita Chicago Style (17a ed.)

Pontryagin, LS. Ordinary Differential Equations. Readings,MA: Addison-Wesley, 1962.

Cita MLA (9a ed.)

Pontryagin, LS. Ordinary Differential Equations. Addison-Wesley, 1962.