APA引文

Ford, R. E. (1999). GeoSystems today: An interactive casebook. New York: John Wiley & Sons.

Trích dẫn kiểu Chicago

Ford, Robert E. GeoSystems Today: An Interactive Casebook. New York: John Wiley & Sons, 1999.

MLA引文

Ford, Robert E. GeoSystems Today: An Interactive Casebook. New York: John Wiley & Sons, 1999.

警告：这些引文格式不一定是100％准确.