APA (7th ed.) Citation

Zill, D. G., & Cullen, M. R. (2005). Differential equations with boundary-value problems (6th ed.). Thomson Brooks/Cool.

Chicago Style (17th ed.) Citation

Zill, Dennis G., and Michael R. Cullen. Differential Equations with Boundary-value Problems. 6th ed. Belmont, CA: Thomson Brooks/Cool, 2005.

MLA (9th ed.) Citation

Zill, Dennis G., and Michael R. Cullen. Differential Equations with Boundary-value Problems. 6th ed. Thomson Brooks/Cool, 2005.