APA (7th ed.) Citation

Breisach, E. (1977). Introduction to modern existentialism (13. print.). Grove Press.

Chicago Style (17th ed.) Citation

Breisach, Ernst. Introduction to Modern Existentialism. 13. print. New York: Grove Press, 1977.

MLA (9th ed.) Citation

Breisach, Ernst. Introduction to Modern Existentialism. 13. print. Grove Press, 1977.