Cita APA (7th ed.)

Nagle, R. K., & Saff, E. B. (1986). Fundamentals of differential equations. Benjamín Cummings.

Cita Chicago (17th ed.)

Nagle, R. Kent, i Edward B. Saff. Fundamentals of Differential Equations. Menlo Park: Benjamín Cummings, 1986.

Cita MLA (9th ed.)

Nagle, R. Kent, i Edward B. Saff. Fundamentals of Differential Equations. Benjamín Cummings, 1986.