Swain, . J. E. (1947). A history of world civilization. (2nd ed.). McGraw-Hill,.
Citación estilo ChicagoSwain, James Edgar. A History of World Civilization. 2nd ed. New York,: McGraw-Hill,, 1947.
Cita MLASwain, James Edgar. A History of World Civilization. 2nd ed. McGraw-Hill,, 1947.
Warning: These citations may not always be 100% accurate.