Gill, J. (1961). Eugenius IV: Pope of Christian Union. Burns & Oates.
Cita Chicago Style (17a ed.)Gill, Joseph. Eugenius IV: Pope of Christian Union. London: Burns & Oates, 1961.
Cita MLA (9a ed.)Gill, Joseph. Eugenius IV: Pope of Christian Union. Burns & Oates, 1961.
Precaución: Estas citas no son 100% exactas.