APA (7th ed.) Citation

ScienceDirect (Online service), Van Harmelen, F., Lifschitz, V., & Porter, B. (2008). Handbook of knowledge representation. Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Frank Van Harmelen, Vladimir Lifschitz, and Bruce Porter. Handbook of Knowledge Representation. Amsterdam ; Boston: Elsevier, 2008.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Handbook of Knowledge Representation. Elsevier, 2008.