APA Edition Citation

Heywood, D. I., Cornelius, S., & Carver, S. (2006). Introduction to geographical information systems (3rd ed.). Pearson Prentice Hall.

Chicago Edition Citation

Heywood, D. Ian, Sarah Cornelius, and Steve Carver. Introduction to Geographical Information Systems. 3rd ed. Harlow, England ; New York: Pearson Prentice Hall, 2006.

MLA Edition Citation

Heywood, D. Ian, et al. Introduction to Geographical Information Systems. 3rd ed. Pearson Prentice Hall, 2006.