Cita APA

Boyce, W. E. (1969). Elementary differential equations and boundary value problems. Wiley Eastern.

Citación estilo Chicago

Boyce, William E. Elementary Differential Equations and Boundary Value Problems. New York: Wiley Eastern, 1969.

Cita MLA

Boyce, William E. Elementary Differential Equations and Boundary Value Problems. Wiley Eastern, 1969.