Cita APA

Jaspers, K., & Grabau, R. F. (1971). Philosophy of existence. University of Pennsylvania Press.

Citación estilo Chicago

Jaspers, Karl, and Richard F. Grabau. Philosophy of Existence. Philadelphia: University of Pennsylvania Press, 1971.

Cita MLA

Jaspers, Karl, and Richard F. Grabau. Philosophy of Existence. University of Pennsylvania Press, 1971.

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