APA
Beck L. W., . (1966). Six secular philosophers. New York ; London: The Free Press.
Chicago
Beck Lewis White, . 1966. Six secular philosophers. New York ; London: The Free Press.
Harvard
Beck L. W., . (1966). Six secular philosophers. New York ; London: The Free Press.
MLA
Beck Lewis White, . Six secular philosophers. New York ; London: The Free Press. 1966.
