APA (7th ed.) Citation
Edwards, C., Penney, D. E., & Calvis, D. Elementary Differential Equations with Boundary Value Problems (6a edición.). Pearson.
Chicago Style (17th ed.) Citation
Edwards, C.H, David E. Penney, and David Calvis. Elementary Differential Equations with Boundary Value Problems. 6a edición. EUA: Pearson.
MLA (9th ed.) Citation
Edwards, C.H, et al. Elementary Differential Equations with Boundary Value Problems. 6a edición. Pearson.
Warning: These citations may not always be 100% accurate.