APA (7th ed.) Citation

Krötzsch, M., Magka, D., & Horrocks, I. (2013). Concrete Results on Abstract Rules.

Chicago Style (17th ed.) Citation

Krötzsch, M., D. Magka, and I. Horrocks. Concrete Results on Abstract Rules. 2013.

MLA (9th ed.) Citation

Krötzsch, M., et al. Concrete Results on Abstract Rules. 2013.