Cita APA

Jaspers, K., Paul, E., & Paul, C. (1957). Man in the modern age. New York: Anchor Books.

Citación estilo Chicago

Jaspers, Karl, Eden Paul, y Cedar Paul. Man in the Modern Age. New York: Anchor Books, 1957.

Cita MLA

Jaspers, Karl, Eden Paul, y Cedar Paul. Man in the Modern Age. New York: Anchor Books, 1957.