Cita APA (7a ed.)

Wallraff, C. F. (1970). Karl Jaspers: An introduction to his philosophy. Princeton University Press.

Cita Chicago Style (17a ed.)

Wallraff, Charles F. Karl Jaspers: An Introduction to His Philosophy. Princeton (New Jersey): Princeton University Press, 1970.

Cita MLA (9a ed.)

Wallraff, Charles F. Karl Jaspers: An Introduction to His Philosophy. Princeton University Press, 1970.