Cita APA (7th ed.)

Birkhoff, G., & Rota, G. (1978). Ordinary differential equations (3a. ed.). John Wiley ans Sons.

Cita Chicago (17th ed.)

Birkhoff, Garrett, i Gian-Carlo Rota. Ordinary Differential Equations. 3a. ed. Nueva York: John Wiley ans Sons, 1978.

Cita MLA (9th ed.)

Birkhoff, Garrett, i Gian-Carlo Rota. Ordinary Differential Equations. 3a. ed. John Wiley ans Sons, 1978.