Cita APA (7a ed.)

Lewis, E. (1940). A philosophy of the Christian revelation. Harper & Brothers.

Cita Chicago Style (17a ed.)

Lewis, Edwin. A Philosophy of the Christian Revelation. New York [etc.]: Harper & Brothers, 1940.

Cita MLA (9a ed.)

Lewis, Edwin. A Philosophy of the Christian Revelation. Harper & Brothers, 1940.