Citazione Stile APA (7a Edizione)

Waugh, D., & Bushell, T. (2014). Nelson key geography (5th edition.). Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Waugh, David, e Tony Bushell. Nelson Key Geography. 5th edition. Oxford: Oxford University Press, 2014.

Citatione MLA (9a ed.)

Waugh, David, e Tony Bushell. Nelson Key Geography. 5th edition. Oxford University Press, 2014.