APA Citation

Palmer, A. (1992). The Penguin dictionary of twentieth-century history (4. ed.). Harmondsworth, Middlesex.

Chicago Style Citation

Palmer, Alan. The Penguin Dictionary of Twentieth-century History. 4. ed. Harmondsworth, Middlesex, 1992.

MLA Citation

Palmer, Alan. The Penguin Dictionary of Twentieth-century History. 4. ed. Harmondsworth, Middlesex, 1992.

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