Cita APA

ebrary, Inc, Centi, B., & Huemer, W. (2009). Values and ontology: Problems and perspectives. Ontos Verlag.

Citación estilo Chicago

ebrary, Inc, Beatrice Centi, and Wolfgang Huemer. Values and Ontology: Problems and Perspectives. Frankfurt: Ontos Verlag, 2009.

Cita MLA

ebrary, Inc, et al. Values and Ontology: Problems and Perspectives. Ontos Verlag, 2009.