Cita APA (7a ed.)

MacSwain, R., & Ward, M. (2010). The Cambridge companion to C.S. Lewis (1st published.). Cambridge University Press.

Cita Chicago Style (17a ed.)

MacSwain, Robert, y Michael Ward. The Cambridge Companion to C.S. Lewis. 1st published. Cambridge: Cambridge University Press, 2010.

Cita MLA (9a ed.)

MacSwain, Robert, y Michael Ward. The Cambridge Companion to C.S. Lewis. 1st published. Cambridge University Press, 2010.