APA (7th ed.) Citation

Maria, N., & Silva, M. J. (2010). Theme-based retrieval of Web News.

Chicago Style (17th ed.) Citation

Maria, Nuno, and Mário J. Silva. Theme-based Retrieval of Web News. 2010.

MLA (8th ed.) Citation

Maria, Nuno, and Mário J. Silva. Theme-based Retrieval of Web News. 2010.

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