APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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