Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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