APA (7th ed.) Citation

HEYWOOD, I. (2002). An introduction to: Geographical information systems. Prentice Hall.

Chicago Style (17th ed.) Citation

HEYWOOD, Ian. An Introduction to: Geographical Information Systems. Prentice Hall, 2002.

MLA (8th ed.) Citation

HEYWOOD, Ian. An Introduction to: Geographical Information Systems. Prentice Hall, 2002.

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