Cita APA (7a ed.)

Marsden, G. M. (2016). C. S. Lewis's Mere Christianity: A Biography. Princeton University Press.

Cita Chicago Style (17a ed.)

Marsden, George M. C. S. Lewis's Mere Christianity: A Biography. Princeton, NJ: Princeton University Press, 2016.

Cita MLA (8a ed.)

Marsden, George M. C. S. Lewis's Mere Christianity: A Biography. Princeton University Press, 2016.