Cita APA (7a ed.)

Douglas, J., Santos, J. E., Sheen, D., & Ye, X. (1999). Nonconforming Galerkin methods based on quadrilateral elements for second order elliptic problems.

Cita Chicago Style (17a ed.)

Douglas, Jim, Juan Enrique Santos, Dongwoo Sheen, y Xiu Ye. Nonconforming Galerkin Methods Based on Quadrilateral Elements for Second Order Elliptic Problems. 1999.

Cita MLA (8a ed.)

Douglas, Jim, et al. Nonconforming Galerkin Methods Based on Quadrilateral Elements for Second Order Elliptic Problems. 1999.