APA引文

 Adams, S. (2006).  Geography of the world.  DK.

Trích dẫn kiểu Chicago

 Adams, Simon.  Geography of the World.  DK, 2006.

MLA引文

 Adams, Simon.  Geography of the World.  DK, 2006.

警告：這些引文格式不一定是100％准確.