Keylor, W. R. (2010). The twentieth century world and beyond: An international history since 1900 (International 5th edition.). Oxford University Press.
Chicago Style (17th ed.) CitationKeylor, William R. The Twentieth Century World and Beyond: An International History Since 1900. International 5th edition. New York [a. o.]: Oxford University Press, 2010.
MLA (8th ed.) CitationKeylor, William R. The Twentieth Century World and Beyond: An International History Since 1900. International 5th edition. Oxford University Press, 2010.
Warning: These citations may not always be 100% accurate.