Guignebert, C. (1962). The early history of Christianity: Covering the period from 300 B.C. to the origin of the Papacy. New York: Twayne.
Citação norma ChicagoGuignebert, Charles. The Early History of Christianity: Covering the Period From 300 B.C. to the Origin of the Papacy. New York: Twayne, 1962.
Citação norma MLAGuignebert, Charles. The Early History of Christianity: Covering the Period From 300 B.C. to the Origin of the Papacy. New York: Twayne, 1962.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.