APA (7th ed.) Citation

Plantinga, A. (2003). On Existentialism. Essays in the metaphysics of modality, 158-175.

Chicago Style (17th ed.) Citation

Plantinga, Alvin. "On Existentialism." Essays in the Metaphysics of Modality 2003: 158-175.

MLA (8th ed.) Citation

Plantinga, Alvin. "On Existentialism." Essays in the Metaphysics of Modality, 2003, pp. 158-175.

Warning: These citations may not always be 100% accurate.