APA引文

Darwin, C. (1993). The portable Darwin. New York: Penguin Books.

Trích dẫn kiểu Chicago

Darwin, Charles. The Portable Darwin. New York: Penguin Books, 1993.

MLA引文

Darwin, Charles. The Portable Darwin. New York: Penguin Books, 1993.

警告：这些引文格式不一定是100％准确.