Cita APA (7th ed.)

Zill, D. G. (2009). Differential Equations: With modeling applications (9th ed.). Brooks/Cole.

Cita Chicago (17th ed.)

Zill, Dennis G. Differential Equations: With Modeling Applications. 9th ed. Pacific Grove: Brooks/Cole, 2009.

Cita MLA (9th ed.)

Zill, Dennis G. Differential Equations: With Modeling Applications. 9th ed. Brooks/Cole, 2009.