APA (7th ed.) Citation

ebrary, Inc, Donnelly, M., & Guizzardi, G. (2012). Formal ontology in information systems. IOS Press.

Chicago Style (17th ed.) Citation

ebrary, Inc, Maureen Donnelly, and Giancarlo Guizzardi. Formal Ontology in Information Systems. Amsterdam: IOS Press, 2012.

MLA (9th ed.) Citation

ebrary, Inc, et al. Formal Ontology in Information Systems. IOS Press, 2012.