Cita APA

Boyce, W. E., & DiPrima, R. C. (1977). Elementary differential equations and boundary value problems (4th ed.). Wiley.

Chicago Edition Citation

Boyce, William E., i Richard C. DiPrima. Elementary Differential Equations and Boundary Value Problems. 4th ed. New York: Wiley, 1977.

Cita MLA

Boyce, William E., i Richard C. DiPrima. Elementary Differential Equations and Boundary Value Problems. 4th ed. Wiley, 1977.