Cita APA (7a ed.)

Heidegger, M., Fried, G., & Polt, R. (2000). Introduction to metaphysics. Yale University Press.

Cita Chicago Style (17a ed.)

Heidegger, Martin, Gregory Fried, y Richard Polt. Introduction to Metaphysics. New Haven: Yale University Press, 2000.

Cita MLA (8a ed.)

Heidegger, Martin, et al. Introduction to Metaphysics. Yale University Press, 2000.