Cita APA (7th ed.)
Wells, H. G. (1920). The outline of history: Being a plain history of life and mankind. Macmillan.
Cita Chicago (17th ed.)
Wells, H. G. The Outline of History: Being a Plain History of Life and Mankind. New York: Macmillan, 1920.
Cita MLA (9th ed.)
Wells, H. G. The Outline of History: Being a Plain History of Life and Mankind. Macmillan, 1920.
Atenció: Aquestes cites poden no estar 100% correctes.