APA引文

Freeman, S. (2002). Biological science. New York: Prentice Hall.

Trích dẫn kiểu Chicago

Freeman, Scott. Biological Science. New York: Prentice Hall, 2002.

MLA引文

Freeman, Scott. Biological Science. New York: Prentice Hall, 2002.

警告：這些引文格式不一定是100％准確.