Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.