Cita APA

SpringerLink (Online service), Shekhar, S., Xiong, H., & Zhou, X. (2017). Encyclopedia of GIS (2nd ed. 2017.). Cham: Springer International Publishing : Imprint: Springer.

Citación estilo Chicago

SpringerLink (Online service), Shashi Shekhar, Hui Xiong, y Xun Zhou. Encyclopedia of GIS. 2nd ed. 2017. Cham: Springer International Publishing : Imprint: Springer, 2017.

Cita MLA

SpringerLink (Online service), Shashi Shekhar, Hui Xiong, y Xun Zhou. Encyclopedia of GIS. 2nd ed. 2017. Cham: Springer International Publishing : Imprint: Springer, 2017.