Cita APA (7th ed.)
Jaspers, K., & Wood Krutch, J. Philosophy and the World: Selected Essays and Lectures. Henry Regnery.
Cita Chicago (17th ed.)
Jaspers, Karl, i Joseph Wood Krutch. Philosophy and the World: Selected Essays and Lectures. Chicago, EUA: Henry Regnery.
Cita MLA (9th ed.)
Jaspers, Karl, i Joseph Wood Krutch. Philosophy and the World: Selected Essays and Lectures. Henry Regnery.
Atenció: Aquestes cites poden no estar 100% correctes.