Orwell, G., Angus, I., & Orwell, S. (1970). The collected essays, journalism and letters of George Orwell. Penguin Books.
芝加哥风格引文Orwell, George, Ian Angus, 与 Sonia Orwell. The Collected Essays, Journalism and Letters of George Orwell. [Hammondworth, Eng.]: Penguin Books, 1970.
MLA引文Orwell, George, et al. The Collected Essays, Journalism and Letters of George Orwell. Penguin Books, 1970.
警告：这些引文格式不一定是100％准确.