Cita APA (7a ed.)

Green, L. R., & Hooper, W. (1988). C.S. Lewis: A biography. Souvenir Press.

Cita Chicago Style (17a ed.)

Green, Lancelyn Roger, y Walter Hooper. C.S. Lewis: A Biography. London: Souvenir Press, 1988.

Cita MLA (9a ed.)

Green, Lancelyn Roger, y Walter Hooper. C.S. Lewis: A Biography. Souvenir Press, 1988.