APA (7th ed.) Citation

Salah, K., Alkhoraidly, A., & unknown. (2006). An OPNET-based Simulation Approach for Deploying VoIP.

Chicago Style (17th ed.) Citation

Salah, Khaled, A. Alkhoraidly, and unknown. An OPNET-based Simulation Approach for Deploying VoIP. 2006.

MLA (9th ed.) Citation

Salah, Khaled, et al. An OPNET-based Simulation Approach for Deploying VoIP. 2006.