Edwards, C. H., & Penney, D. E. (2014). Elementary differential equations with boundary value problems (6th ed. [International edition].). Harlow, Essex: Pearson.
Chicago Style CitationEdwards, C. Henry, and David E. Penney. Elementary Differential Equations With Boundary Value Problems. 6th ed. [International edition]. Harlow, Essex: Pearson, 2014.
MLA CitationEdwards, C. Henry, and David E. Penney. Elementary Differential Equations With Boundary Value Problems. 6th ed. [International edition]. Harlow, Essex: Pearson, 2014.
Warning: These citations may not always be 100% accurate.