Citazione Stile APA (7a Edizione)

Lewis, C. S., & Hooper, W. (1969). Selected literary essays. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Lewis, C. S., e Walter Hooper. Selected Literary Essays. [London]: Cambridge University Press, 1969.

Citatione MLA (9a ed.)

Lewis, C. S., e Walter Hooper. Selected Literary Essays. Cambridge University Press, 1969.