APA (7th ed.) Citation

Boyce, W. E., & DiPrima, R. C. (1986). Elementary differential equations and boundary value problems (4th ed.). Wiley.

Chicago Style (17th ed.) Citation

Boyce, William E., and Richard C. DiPrima. Elementary Differential Equations and Boundary Value Problems. 4th ed. New York: Wiley, 1986.

MLA (9th ed.) Citation

Boyce, William E., and Richard C. DiPrima. Elementary Differential Equations and Boundary Value Problems. 4th ed. Wiley, 1986.