Society for Visual Education & Erdoes, R. (1984). Chronology of the western world, twentieth century. The Society [production company].
Chicago Style (17th ed.) CitationSociety for Visual Education and Richard Erdoes. Chronology of the Western World, Twentieth Century. Chicago, Ill: The Society [production company], 1984.
MLA (9th ed.) CitationSociety for Visual Education and Richard Erdoes. Chronology of the Western World, Twentieth Century. The Society [production company], 1984.
Warning: These citations may not always be 100% accurate.