Cita APA (7a ed.)

Dijk, S. J. P. v., & Walker, J. H. (1975). The ordinal of the Papal Court from Innocent III to Boniface VIII and related documents. The University Press.

Cita Chicago Style (17a ed.)

Dijk, Stephen J. P. van, y Joan Hazelden Walker. The Ordinal of the Papal Court from Innocent III to Boniface VIII and Related Documents. Fribourg: The University Press, 1975.

Cita MLA (9a ed.)

Dijk, Stephen J. P. van, y Joan Hazelden Walker. The Ordinal of the Papal Court from Innocent III to Boniface VIII and Related Documents. The University Press, 1975.