APA引文
Moore, G. E. (1959). Principia ethica (1 ed.). Cambridge University Press.
芝加哥风格引文
Moore, George Edward. Principia Ethica. 1 ed. Cambridge: Cambridge University Press, 1959.
MLA引文
Moore, George Edward. Principia Ethica. 1 ed. Cambridge University Press, 1959.
警告：这些引文格式不一定是100％准确.