APA引文

Shekhar, S., & Xiong, H. (2008). Encyclopedia of GIS. Springer.

Chicago Edition Citation

Shekhar, Shashi, and Hui Xiong. Encyclopedia of GIS. New York: Springer, 2008.

MLA引文

Shekhar, Shashi, and Hui Xiong. Encyclopedia of GIS. Springer, 2008.

警告：這些引文格式不一定是100％准確.