Cita APA (7th ed.)

Gilson, E. (1960). Elements of christian philosophy. New American Library of World Literature.

Cita Chicago (17th ed.)

Gilson, Etienne. Elements of Christian Philosophy. New York: New American Library of World Literature, 1960.

Cita MLA (9th ed.)

Gilson, Etienne. Elements of Christian Philosophy. New American Library of World Literature, 1960.