APA (7th ed.) Citation

Yousef, A. Z. (2010). A filtering tool for search engines.

Chicago Style (17th ed.) Citation

Yousef, Ahmad Zaki. A Filtering Tool for Search Engines. 2010.

MLA (8th ed.) Citation

Yousef, Ahmad Zaki. A Filtering Tool for Search Engines. 2010.

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