Citazione Stile APA (7a Edizione)

Edwards, C. H., & Penney, D. E. (2008). Elementary differential equations (6th ed.). Pearson Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Edwards, C. H., e David E. Penney. Elementary Differential Equations. 6th ed. Upper Saddle River, N.J: Pearson Prentice Hall, 2008.

Citatione MLA (9a ed.)

Edwards, C. H., e David E. Penney. Elementary Differential Equations. 6th ed. Pearson Prentice Hall, 2008.