Cita APA

Wild, J. D. 1. (1966). The challenge of existentialism (Fifth printing 1966.). Bloomington (Indiana) [etc.]: Indiana University Press.

Citación estilo Chicago

Wild, John Daniel 1902-1972. The Challenge of Existentialism. Fifth printing 1966. Bloomington (Indiana) [etc.]: Indiana University Press, 1966.

Cita MLA

Wild, John Daniel 1902-1972. The Challenge of Existentialism. Fifth printing 1966. Bloomington (Indiana) [etc.]: Indiana University Press, 1966.