APA (7th ed.) Citation

Zill, D. G. (1989). Differential equations with boundary-value problems (Second edition.). PWS-KENT Publishing Company.

Chicago Style (17th ed.) Citation

Zill, Dennis G. Differential Equations with Boundary-value Problems. Second edition. Boston: PWS-KENT Publishing Company, 1989.

MLA (9th ed.) Citation

Zill, Dennis G. Differential Equations with Boundary-value Problems. Second edition. PWS-KENT Publishing Company, 1989.