APA (7th ed.) Citation

Jaspers, K., & Earle, W. (1955). Reason and existenz: Five lectures. The Noonday Press.

Chicago Style (17th ed.) Citation

Jaspers, Karl, and William Earle. Reason and Existenz: Five Lectures. New York: The Noonday Press, 1955.

MLA (9th ed.) Citation

Jaspers, Karl, and William Earle. Reason and Existenz: Five Lectures. The Noonday Press, 1955.