APA (7th ed.) Citation

Wells, H. G. (1914). The world set free: A story of mankind. Macmillan and Co..

Chicago Style (17th ed.) Citation

Wells, H. G. The World Set Free: A Story of Mankind. London: Macmillan and Co., 1914.

MLA (9th ed.) Citation

Wells, H. G. The World Set Free: A Story of Mankind. Macmillan and Co., 1914.