APA (7th ed.) Citation

Solomon, R. C. (1974). Existentialism ([1st ed.].). Modern Library.

Chicago Style (17th ed.) Citation

Solomon, Robert C. Existentialism. [1st ed.]. New York: Modern Library, 1974.

MLA (9th ed.) Citation

Solomon, Robert C. Existentialism. [1st ed.]. Modern Library, 1974.