Cita APA (7a ed.)

Centeno, M. E., Bertolami, M. A., & Oliveros, A. (2009). Software size estimation in the early stages of development.

Cita Chicago Style (17a ed.)

Centeno, María Elena, Mabel Angélica Bertolami, y Alejandro Oliveros. Software Size Estimation in the Early Stages of Development. 2009.

Cita MLA (8a ed.)

Centeno, María Elena, et al. Software Size Estimation in the Early Stages of Development. 2009.