Cita APA (7a ed.)

Martínez, A., Pastor López, O., & Estrada, H. (2005). A pattern language to join early and late requirements.

Cita Chicago Style (17a ed.)

Martínez, Alicia, Oscar Pastor López, y Hugo Estrada. A Pattern Language to Join Early and Late Requirements. 2005.

Cita MLA (8a ed.)

Martínez, Alicia, et al. A Pattern Language to Join Early and Late Requirements. 2005.