APA (7th ed.) Citation

Zill, D. G., & Ross, S. L. (1986). Differential Equations: With boundary-value problems (3rd ed.). PWS-Kent Pub. Co..

Chicago Style (17th ed.) Citation

Zill, Dennis G., and Shepley L. Ross. Differential Equations: With Boundary-value Problems. 3rd ed. Boston: PWS-Kent Pub. Co., 1986.

MLA (9th ed.) Citation

Zill, Dennis G., and Shepley L. Ross. Differential Equations: With Boundary-value Problems. 3rd ed. PWS-Kent Pub. Co., 1986.