Mill, J. S., Bentham, J., & Ryan, A. (1987). Utilitarianism and other essays. Penguin Books.
芝加哥风格引文Mill, John Stuart, Jeremy Bentham, 与 Alan Ryan. Utilitarianism and Other Essays. Harmondsworth, Middlesex, England ; New York,: Penguin Books, 1987.
MLA引文Mill, John Stuart, et al. Utilitarianism and Other Essays. Penguin Books, 1987.
警告：这些引文格式不一定是100％准确.