Cita APA (7th ed.)
Gilbert , D. (1973). C. S. Lewis: Images of his world. WB Eerdmans.
Cita Chicago (17th ed.)
Gilbert , Douglas. C. S. Lewis: Images of His World. Grand Rapids: WB Eerdmans, 1973.
Cita MLA (9th ed.)
Gilbert , Douglas. C. S. Lewis: Images of His World. WB Eerdmans, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.