APA引文

Mill, J. S., & Himmelfarb, G. (1974). On liberty. Penguin.

芝加哥风格引文

Mill, John Stuart, 与 Gertrude Himmelfarb. On Liberty. Harmondsworth: Penguin, 1974.

MLA引文

Mill, John Stuart, 与 Gertrude Himmelfarb. On Liberty. Penguin, 1974.

警告：这些引文格式不一定是100％准确.