Citazione Stile APA (7a Edizione)

Bullard, N., & London, J. (1995). The call of the wild (Simplified edition.). Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Bullard, Nick, e Jack London. The Call of the Wild. Simplified edition. Oxford: Oxford University Press, 1995.

Citatione MLA (9a ed.)

Bullard, Nick, e Jack London. The Call of the Wild. Simplified edition. Oxford University Press, 1995.