APA (7th ed.) Citation

Helmy, T., & unknown. (2006). Towards a User-Centric Web Portals Management.

Chicago Style (17th ed.) Citation

Helmy, Tarek, and unknown. Towards a User-Centric Web Portals Management. 2006.

MLA (9th ed.) Citation

Helmy, Tarek, and unknown. Towards a User-Centric Web Portals Management. 2006.

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