Cita APA (7a ed.)

González, A. H., Madoz, M. C., Gorga, G., & De Giusti, A. E. (2009). Virtual characters as study guides: Evolution towards a virtual collaborative learning environment.

Cita Chicago Style (17a ed.)

González, Alejandro Héctor, María Cristina Madoz, Gladys Gorga, y Armando Eduardo De Giusti. Virtual Characters as Study Guides: Evolution Towards a Virtual Collaborative Learning Environment. 2009.

Cita MLA (8a ed.)

González, Alejandro Héctor, et al. Virtual Characters as Study Guides: Evolution Towards a Virtual Collaborative Learning Environment. 2009.