Cita APA (7a ed.)

García, P. S., Silva, O. E., & Ardenghi, J. R. (2001). Instantaneous messaging system: A distributed approach.

Cita Chicago Style (17a ed.)

García, Pablo S., Omar E. Silva, y Jorge Raúl Ardenghi. Instantaneous Messaging System: A Distributed Approach. 2001.

Cita MLA (8a ed.)

García, Pablo S., et al. Instantaneous Messaging System: A Distributed Approach. 2001.