Keylor, W. R. (1984). The twentieth-century world : an international history / William R. Keylor: An international history. Oxford University Press.
Chicago Style (17th ed.) CitationKeylor, William R. The Twentieth-century World : An International History / William R. Keylor: An International History. New York ; Oxford: Oxford University Press, 1984.
MLA (9th ed.) CitationKeylor, William R. The Twentieth-century World : An International History / William R. Keylor: An International History. Oxford University Press, 1984.
Warning: These citations may not always be 100% accurate.