APA (7th ed.) Citation

Heidegger, M., & Lilly, R. (1991). The principle of reason. Indiana University Press.

Chicago Style (17th ed.) Citation

Heidegger, Martin, and Reginald Lilly. The Principle of Reason. Bloomington: Indiana University Press, 1991.

MLA (8th ed.) Citation

Heidegger, Martin, and Reginald Lilly. The Principle of Reason. Indiana University Press, 1991.

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