Archivio Vaticano, Nicolás III, P., Martín IV Papa, c., Gregorio X, P., Urbano IV, P., Juan XXI, P., . . . Inocencio V, P. (1999). Urbanus IV, Clemens IV, Gregorius X, Innocentius V, Iohannes XXI, Nicolaus III, Martinus IV, Honorius IV. [Archivio Segreto Vaticano].
Cita Chicago Style (17a ed.)Archivio Vaticano, Papa Nicolás III, ca Martín IV Papa, Papa Gregorio X, Papa Urbano IV, Papa Juan XXI, Papa Clemente IV, Papa Honorio IV, y Papa Inocencio V. Urbanus IV, Clemens IV, Gregorius X, Innocentius V, Iohannes XXI, Nicolaus III, Martinus IV, Honorius IV. [Cittá del Vaticano]: [Archivio Segreto Vaticano], 1999.
Cita MLA (9a ed.)Archivio Vaticano, et al. Urbanus IV, Clemens IV, Gregorius X, Innocentius V, Iohannes XXI, Nicolaus III, Martinus IV, Honorius IV. [Archivio Segreto Vaticano], 1999.
