APA (7th ed.) Citation

Worboys, M. F., & Duckham, M. (2004). GIS : a computing perspective / Michael Worboys and Matt Duckham: A computing perspective (2nd ed.). CRC Press.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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