Rousseau, J. (1968). The social contract. Penguin.
芝加哥风格引文Rousseau, Jean-Jacques. The Social Contract. New York: Penguin, 1968.
MLA引文Rousseau, Jean-Jacques. The Social Contract. Penguin, 1968.
警告：这些引文格式不一定是100％准确.
APA引文
Rousseau, J. (1968). The social contract. Penguin.
芝加哥风格引文Rousseau, Jean-Jacques. The Social Contract. New York: Penguin, 1968.
MLA引文Rousseau, Jean-Jacques. The Social Contract. Penguin, 1968.