APA (7th ed.) Citation

Heinemann, F. H. (1958). Existentialism and the modern predicament. Harper.

Chicago Style (17th ed.) Citation

Heinemann, F. H. Existentialism and the Modern Predicament. New York: Harper, 1958.

MLA (9th ed.) Citation

Heinemann, F. H. Existentialism and the Modern Predicament. Harper, 1958.

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