Ponting, C. (1998). Progress and barbarism : the world in the twentieth century / Clive Ponting: The world in the twentieth century. Chatto & Windus.
Chicago Style (17th ed.) CitationPonting, Clive. Progress and Barbarism : The World in the Twentieth Century / Clive Ponting: The World in the Twentieth Century. London: Chatto & Windus, 1998.
MLA (9th ed.) CitationPonting, Clive. Progress and Barbarism : The World in the Twentieth Century / Clive Ponting: The World in the Twentieth Century. Chatto & Windus, 1998.
Warning: These citations may not always be 100% accurate.