APA Citation

Bernhardsen, T. (2002). Geographic information systems an introduction: An introduction. New York, NY: Wiley.

Chicago Style Citation

Bernhardsen, Tor. Geographic Information Systems an Introduction: An Introduction. New York, NY: Wiley, 2002.

MLA Citation

Bernhardsen, Tor. Geographic Information Systems an Introduction: An Introduction. New York, NY: Wiley, 2002.

Warning: These citations may not always be 100% accurate.