APA (7th ed.) Citation

Wells, H. G. (1921). The outline of history: Being a plain history of life and mankind (3d ed.). The Macmillan company.

Chicago Style (17th ed.) Citation

Wells, H. G. The Outline of History: Being a Plain History of Life and Mankind. 3d ed. New York: The Macmillan company, 1921.

MLA (9th ed.) Citation

Wells, H. G. The Outline of History: Being a Plain History of Life and Mankind. 3d ed. The Macmillan company, 1921.