Zill. (1993). A First course in differential equations (5th ed.). Boston: PWS Pub..
Chicago Style CitationZill. A First Course in Differential Equations. 5th ed. Boston: PWS Pub., 1993.
MLA CitationZill. A First Course in Differential Equations. 5th ed. Boston: PWS Pub., 1993.
Warning: These citations may not always be 100% accurate.