Orwell, G. [. (1970). Animal farm: : & fairy story. Penguin.
芝加哥风格引文Orwell, George [1903-1950]. Animal Farm: : & Fairy Story. Harmondsworth: Penguin, 1970.
MLA引文Orwell, George [1903-1950]. Animal Farm: : & Fairy Story. Penguin, 1970.
警告：这些引文格式不一定是100％准确.