APA (7th ed.) Citation

N, C., Silva, M. J., & Martins, B. (2010). The University of Lisbon at CLEF 2006 Ad-Hoc Task.

Chicago Style (17th ed.) Citation

N, Cardoso, M. J. Silva, and B. Martins. The University of Lisbon at CLEF 2006 Ad-Hoc Task. 2010.

MLA (8th ed.) Citation

N, Cardoso, et al. The University of Lisbon at CLEF 2006 Ad-Hoc Task. 2010.