Cita APA (7a ed.)

Chapman, J. (1928). Studies on the early Papacy. Sheed & Ward.

Cita Chicago Style (17a ed.)

Chapman, John. Studies on the Early Papacy. London: Sheed & Ward, 1928.

Cita MLA (9a ed.)

Chapman, John. Studies on the Early Papacy. Sheed & Ward, 1928.