APA (7th ed.) Zitazioa

Englebretsen, G. (2012). Robust reality: An essay in formal ontology. Ontos Verlag.

Chicago Style (17th ed.) Zitazioa

Englebretsen, George. Robust Reality: An Essay in Formal Ontology. Frankfurt: Ontos Verlag, 2012.

MLA (9th ed.) Zitazioa

Englebretsen, George. Robust Reality: An Essay in Formal Ontology. Ontos Verlag, 2012.