APA (7th ed.) Citation

Omar, M. A., Mat Cha, M. Z., & Idrus, M. R. (2009). Basic model for information retrieval based on free-text in database application.

Chicago Style (17th ed.) Citation

Omar, Mohd Adan, Md Zahir Mat Cha, and Mohd Rushdi Idrus. Basic Model for Information Retrieval Based on Free-text in Database Application. 2009.

MLA (9th ed.) Citation

Omar, Mohd Adan, et al. Basic Model for Information Retrieval Based on Free-text in Database Application. 2009.