Cita APA (7a ed.)

De Coster, C., & Habets, P. (2006). Two-point boundary value problems: Lower and upper solutions. Elsivier.

Cita Chicago Style (17a ed.)

De Coster, Colette, y Patrick Habets. Two-point Boundary Value Problems: Lower and Upper Solutions. Amsterdam ; Boston: Elsivier, 2006.

Cita MLA (8a ed.)

De Coster, Colette, y Patrick Habets. Two-point Boundary Value Problems: Lower and Upper Solutions. Elsivier, 2006.