APA (7th ed.) Citation

Jaspers, K. (1964). Three essays: Leonardo, Descartes, Max Weber. Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Jaspers, Karl. Three Essays: Leonardo, Descartes, Max Weber. New York: Harcourt, Brace & World, 1964.

MLA (9th ed.) Citation

Jaspers, Karl. Three Essays: Leonardo, Descartes, Max Weber. Harcourt, Brace & World, 1964.