Citazione Stile APA (7a Edizione)

Burrough, P. A., & McDonnell, R. A. (2006). Principles of geographical systems (Primera edición.). Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Burrough, Peter A., e Rachael A. McDonnell. Principles of Geographical Systems. Primera edición. New York: Oxford University Press, 2006.

Citatione MLA (8a ed.)

Burrough, Peter A., e Rachael A. McDonnell. Principles of Geographical Systems. Primera edición. Oxford University Press, 2006.