APA (7th ed.) Zitazioa

Plantinga, A. (2003). Essays in the metaphysics of modality. Oxford University Press.

Chicago Style (17th ed.) Zitazioa

Plantinga, Alvin. Essays in the Metaphysics of Modality. Auckland: Oxford University Press, 2003.

MLA (9th ed.) Zitazioa

Plantinga, Alvin. Essays in the Metaphysics of Modality. Oxford University Press, 2003.