APA (7th ed.) Citation

Shekhar, S., & Xiong, H. (2008). Encyclopedia of GIS. Springer-Verlag Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Shekhar, Shashi, and Hui Xiong. Encyclopedia of GIS. Boston, MA: Springer-Verlag Berlin Heidelberg, 2008.

MLA (8th ed.) Citation

Shekhar, Shashi, and Hui Xiong. Encyclopedia of GIS. Springer-Verlag Berlin Heidelberg, 2008.

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