APA Edition Citation

Carver, S., Cornelius, S., & Heywood, I. (2001). Geographical information systems, an introduction.

Chicago Edition Citation

Carver, Steve, Sarah Cornelius, and Ian Heywood. Geographical Information Systems, an Introduction. New Delhi, Pearson Education Lvt Ltd, 2001.

MLA Edition Citation

Carver, Steve, et al. Geographical Information Systems, an Introduction. 2001.