Gilbert, M. (1997). A history of the Twentieth Century: Martin Gilbert. HarperCollins.
Chicago Edition CitationGilbert, Martin. A History of the Twentieth Century: Martin Gilbert. London: HarperCollins, 1997.
MLA Edition CitationGilbert, Martin. A History of the Twentieth Century: Martin Gilbert. HarperCollins, 1997.
Warning: These citations may not always be 100% accurate.