APA引文

Clark, A. N. (2003). The Penguin dictionary of geography (3rd ed.). London, England ; New York, N.Y., USA: Penguin Books.

Trích dẫn kiểu Chicago

Clark, Audrey N. The Penguin Dictionary of Geography. 3rd ed. London, England ; New York, N.Y., USA: Penguin Books, 2003.

MLA引文

Clark, Audrey N. The Penguin Dictionary of Geography. 3rd ed. London, England ; New York, N.Y., USA: Penguin Books, 2003.

警告：这些引文格式不一定是100％准确.