Cita APA (7a ed.)

Lewis, C. S. (1955). Mere christianity (A rev. and amplifield ed., with a new introd, of the three books Broadcast talks, Christian behaviour and Beyond personality.). Collins.

Cita Chicago Style (17a ed.)

Lewis, C. S. Mere Christianity. A rev. and amplifield ed., with a new introd, of the three books Broadcast talks, Christian behaviour and Beyond personality. London [etc.]: Collins, 1955.

Cita MLA (9a ed.)

Lewis, C. S. Mere Christianity. A rev. and amplifield ed., with a new introd, of the three books Broadcast talks, Christian behaviour and Beyond personality. Collins, 1955.