APA Citation

Zill, & Cullen. (1993). Differential equations with boundary-value problems (3rd ed.). Boston: PWS Pub..

Chicago Style Citation

Zill, and Cullen. Differential Equations With Boundary-value Problems. 3rd ed. Boston: PWS Pub., 1993.

MLA Citation

Zill, and Cullen. Differential Equations With Boundary-value Problems. 3rd ed. Boston: PWS Pub., 1993.

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