APA引文

Godin, S. (2002). Purple Cow. Penguin Books.

芝加哥风格引文

Godin, Seth. Purple Cow. London: Penguin Books, 2002.

MLA引文

Godin, Seth. Purple Cow. Penguin Books, 2002.

警告：这些引文格式不一定是100％准确.