APA (7th ed.) Citation

Nagle, R. K., & Saff, E. B. (1993). Fundamentals of differential equations and boundary value problems. Addison-Wesley.

Chicago Style (17th ed.) Citation

Nagle, Richard Kent, and Edward B. Saff. Fundamentals of Differential Equations and Boundary Value Problems. Reading, Mass. u.a: Addison-Wesley, 1993.

MLA (9th ed.) Citation

Nagle, Richard Kent, and Edward B. Saff. Fundamentals of Differential Equations and Boundary Value Problems. Addison-Wesley, 1993.