APA Citation

Gilbert, M. (2001). A history of the twentieth century (Concise ed.). London: Harper Collins.

Chicago Style Citation

Gilbert, Martin. A History of the Twentieth Century. Concise ed. London: Harper Collins, 2001.

MLA Citation

Gilbert, Martin. A History of the Twentieth Century. Concise ed. London: Harper Collins, 2001.

Warning: These citations may not always be 100% accurate.