Cita APA (7a ed.)

Guignebert, C. (1961). Ancient, medieval and modern Christianity: The evolution of a religion. University Books.

Cita Chicago Style (17a ed.)

Guignebert, Charles. Ancient, Medieval and Modern Christianity: The Evolution of a Religion. New Hyde Park, N.Y.: University Books, 1961.

Cita MLA (9a ed.)

Guignebert, Charles. Ancient, Medieval and Modern Christianity: The Evolution of a Religion. University Books, 1961.