APA (7th ed.) Citation

Salah, K., El-Badawi, K., & unknown. (2003). Evaluating system performance in Gigabit networks.

Chicago Style (17th ed.) Citation

Salah, K., K. El-Badawi, and unknown. Evaluating System Performance in Gigabit Networks. 2003.

MLA (9th ed.) Citation

Salah, K., et al. Evaluating System Performance in Gigabit Networks. 2003.