Caldwell, W. E. (1950). The new popular history of the world: The story of mankind from earliest times to the present day. Greystone Press.
Chicago-Zitierstil (17. Ausg.)Caldwell, Wallace E. The New Popular History of the World: The Story of Mankind from Earliest Times to the Present Day. New York: Greystone Press, 1950.
MLA-Zitierstil (9. Ausg.)Caldwell, Wallace E. The New Popular History of the World: The Story of Mankind from Earliest Times to the Present Day. Greystone Press, 1950.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.