Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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