APA (7th ed.) Citation

Worboys, M., & Duckham, M. (2004). GIS: A computing perspective (2nd ed.). CRC Press.

Chicago Style (17th ed.) Citation

Worboys, Michael, and Matt Duckham. GIS: A Computing Perspective. 2nd ed. Boca Raton, Fla: CRC Press, 2004.

MLA (9th ed.) Citation

Worboys, Michael, and Matt Duckham. GIS: A Computing Perspective. 2nd ed. CRC Press, 2004.