MLA

Allemang, Dean, and James A Hendler. Semantic Web for the Working Ontologist : Effective Modeling In Rdfs and Owl. 2nd ed. Waltham, MA: Morgan Kaufmann/Elsevier, 2011.

APA

Allemang, D., & Hendler, J. A. (2011). Semantic Web for the working ontologist : effective modeling in RDFS and OWL. 2nd ed. Waltham, MA: Morgan Kaufmann/Elsevier.

Chicago

Allemang, Dean, and James A Hendler. Semantic Web for the Working Ontologist: Effective Modeling In RDFS and OWL. 2nd ed. Waltham, MA: Morgan Kaufmann/Elsevier, 2011.