APA引文

Howard, J. (2001). Darwin: A Very Short Introduction (1st.). Oxford.

芝加哥风格引文

Howard, Jonathan. Darwin: A Very Short Introduction. 1st. Oxford, 2001.

MLA引文

Howard, Jonathan. Darwin: A Very Short Introduction. 1st. Oxford, 2001.

警告：这些引文格式不一定是100％准确.