APA (7th ed.) Citation

Martins, T., Carvalho, V., & Soares, F. (2012). Web portal: Total challenge.

Chicago Style (17th ed.) Citation

Martins, Tiago, Vítor Carvalho, and Filomena Soares. Web Portal: Total Challenge. 2012.

MLA (8th ed.) Citation

Martins, Tiago, et al. Web Portal: Total Challenge. 2012.