APA Citation

Ward, H. (1987). World power in the twentieth century (2nd ed.). London: BBC.

Chicago Style Citation

Ward, Harriet. World Power in the Twentieth Century. 2nd ed. London: BBC, 1987.

MLA Citation

Ward, Harriet. World Power in the Twentieth Century. 2nd ed. London: BBC, 1987.

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