Tignor, R. L. (2008). Worlds together, worlds apart: A history of the world from the beginnings of humankind to the present (Second Edition.). W. W. Norton.
Chicago Style (17th ed.) CitationTignor, Robert L. Worlds Together, Worlds Apart: A History of the World from the Beginnings of Humankind to the Present. Second Edition. New York ; London: W. W. Norton, 2008.
MLA (9th ed.) CitationTignor, Robert L. Worlds Together, Worlds Apart: A History of the World from the Beginnings of Humankind to the Present. Second Edition. W. W. Norton, 2008.
Warning: These citations may not always be 100% accurate.