APA (7th ed.) Citation

Gregory, C. O. (1949). Labor and the law (Rev. and enl. ed.). W.W. Norton.

Chicago Style (17th ed.) Citation

Gregory, Charles O. Labor and the Law. Rev. and enl. ed. New York: W.W. Norton, 1949.

MLA (9th ed.) Citation

Gregory, Charles O. Labor and the Law. Rev. and enl. ed. W.W. Norton, 1949.