APA (7th ed.) Citation

Duarte, C., Carriço, L., & Simões, H. (2010). A Flexible Interface Architecture for Digital Talking Books.

Chicago Style (17th ed.) Citation

Duarte, Carlos, Luís Carriço, and Hugo Simões. A Flexible Interface Architecture for Digital Talking Books. 2010.

MLA (8th ed.) Citation

Duarte, Carlos, et al. A Flexible Interface Architecture for Digital Talking Books. 2010.