APA (7th ed.) Citation

Sousa, P., José, R., Costa, A., & Freitas, V. (1996). Building an integrated communication environment.

Chicago Style (17th ed.) Citation

Sousa, Pedro, Rui José, António Costa, and Vasco Freitas. Building an Integrated Communication Environment. 1996.

MLA (8th ed.) Citation

Sousa, Pedro, et al. Building an Integrated Communication Environment. 1996.