APA (7th ed.) Citation

Ribera, M., Porras, M., Boldu, M., Termens, M., Sule, A., & Paris, P. (2009). Web Content Accessibility Guidelines 2.0: A Further Step towards Accessible Digital Information.

Chicago Style (17th ed.) Citation

Ribera, Mireia, Merce Porras, Marc Boldu, Miquel Termens, Andreu Sule, and Pilar Paris. Web Content Accessibility Guidelines 2.0: A Further Step Towards Accessible Digital Information. 2009.

MLA (9th ed.) Citation

Ribera, Mireia, et al. Web Content Accessibility Guidelines 2.0: A Further Step Towards Accessible Digital Information. 2009.