Cita APA (7th ed.)
Sibley, B. (1985). C.S. Lewis through the shadowlands. Fleming H. Revell.
Cita Chicago (17th ed.)
Sibley, Brian. C.S. Lewis Through the Shadowlands. New Jersey: Fleming H. Revell, 1985.
Cita MLA (9th ed.)
Sibley, Brian. C.S. Lewis Through the Shadowlands. Fleming H. Revell, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.