APA (7th ed.) Citation

Teixeira, A., Santos, C., Ribeiro, F. R., & Lopes, E. (2011). Web-based access control system.

Chicago Style (17th ed.) Citation

Teixeira, A., C. Santos, Fernando Reinaldo Ribeiro, and E.R Lopes. Web-based Access Control System. 2011.

MLA (8th ed.) Citation

Teixeira, A., et al. Web-based Access Control System. 2011.