APA (7th ed.) Citation

Chen, L., Ortona, S., Orsi, G., & Benedikt, M. (2013). Aggregating semantic annotators.

Chicago Style (17th ed.) Citation

Chen, L., S. Ortona, G. Orsi, and M. Benedikt. Aggregating Semantic Annotators. 2013.

MLA (9th ed.) Citation

Chen, L., et al. Aggregating Semantic Annotators. 2013.