APA (7th ed.) Citation

Hudson, W. D. (1980). A century of moral philosophy. St. Martin's Press.

Chicago Style (17th ed.) Citation

Hudson, W. D. A Century of Moral Philosophy. New York, N.Y.: St. Martin's Press, 1980.

MLA (9th ed.) Citation

Hudson, W. D. A Century of Moral Philosophy. St. Martin's Press, 1980.