Cita APA (7a ed.)

Fremantle, A. (1954). The Age of Belief: The medieval philosophers. New American Library.

Cita Chicago Style (17a ed.)

Fremantle, Anne. The Age of Belief: The Medieval Philosophers. New York: New American Library, 1954.

Cita MLA (9a ed.)

Fremantle, Anne. The Age of Belief: The Medieval Philosophers. New American Library, 1954.