APA引文

Singer, P. (2018). Marx: A Very Short Introduction (2nd.). Oxford.

Chicago Style (17th ed.) Citation

Singer, Peter. Marx: A Very Short Introduction. 2nd. Oxford, 2018.

MLA引文

Singer, Peter. Marx: A Very Short Introduction. 2nd. Oxford, 2018.

警告：這些引文格式不一定是100％准確.