APA (7th ed.) Citation

Wild, J. (1955). The challenge of existentialism. Bloomington Indiana University Press.

Chicago Style (17th ed.) Citation

Wild, John. The Challenge of Existentialism. Indianápolis: Bloomington Indiana University Press, 1955.

MLA (9th ed.) Citation

Wild, John. The Challenge of Existentialism. Bloomington Indiana University Press, 1955.