Cita APA

Duff, A., & Maley, A. (1995). Literature (5th ed.). Oxford: Oxford University Press.

Citación estilo Chicago

Duff, Allan, y Allan Maley. Literature. 5th ed. Oxford: Oxford University Press, 1995.

Cita MLA

Duff, Allan, y Allan Maley. Literature. 5th ed. Oxford: Oxford University Press, 1995.