APA Citation

Zill, D. G., & Cullen, M. R. (1993). Differential equations with boundary-value problems. Boston: PWS-KENT.

Chicago Style Citation

Zill, Dennis G., and Michael R. Cullen. Differential Equations With Boundary-value Problems. Boston: PWS-KENT, 1993.

MLA Citation

Zill, Dennis G., and Michael R. Cullen. Differential Equations With Boundary-value Problems. Boston: PWS-KENT, 1993.

Warning: These citations may not always be 100% accurate.