APA (7th ed.) Zitazioa

Lewis, C. (1955). Surprised by joy: The shape of my early life. Harcourt Brace & World Publishers.

Chicago Style (17th ed.) Zitazioa

Lewis, C.S. Surprised by Joy: The Shape of My Early Life. New York: Harcourt Brace & World Publishers, 1955.

MLA (9th ed.) Zitazioa

Lewis, C.S. Surprised by Joy: The Shape of My Early Life. Harcourt Brace & World Publishers, 1955.