APA (7th ed.) Citation

Lewis, C. S. (1988). Letters of C. S. Lewis (Rev. and enlarged ed.). Fount Paperbacks.

Chicago Style (17th ed.) Citation

Lewis, C. S. Letters of C. S. Lewis. Rev. and enlarged ed. London: Fount Paperbacks, 1988.

MLA (9th ed.) Citation

Lewis, C. S. Letters of C. S. Lewis. Rev. and enlarged ed. Fount Paperbacks, 1988.