Harman & Graham. (2018). Object-Oriented Ontology: A New Theory of Everything. Penguin UK / Pelican.
Cita Chicago (17th ed.)Harman i Graham. Object-Oriented Ontology: A New Theory of Everything. London: Penguin UK / Pelican, 2018.
Cita MLA (9th ed.)Harman i Graham. Object-Oriented Ontology: A New Theory of Everything. Penguin UK / Pelican, 2018.
Atenció: Aquestes cites poden no estar 100% correctes.