APA (7th ed.) Citation

Calì, A., Gottlob, G., & Pieris, A. (2010). Query Answering under Non−guarded Rules in Datalog+/−.

Chicago Style (17th ed.) Citation

Calì, A., G. Gottlob, and A. Pieris. Query Answering Under Non−guarded Rules in Datalog+/−. 2010.

MLA (9th ed.) Citation

Calì, A., et al. Query Answering Under Non−guarded Rules in Datalog+/−. 2010.