APA (7th ed.) Citation

Youssef, H., Sait, S. M., Khan, S., & unknown. (2001). An evolutionary algorithm for network topology design.

Chicago Style (17th ed.) Citation

Youssef, H., Sadiq M. Sait, S.A Khan, and unknown. An Evolutionary Algorithm for Network Topology Design. 2001.

MLA (9th ed.) Citation

Youssef, H., et al. An Evolutionary Algorithm for Network Topology Design. 2001.

Warning: These citations may not always be 100% accurate.