Cita APA (7a ed.)

Duggan, A. (2008). Hyacinth Bobone: Diplomat and Pope. Pope Celestine III (1191 - 1198), 1-30.

Cita Chicago Style (17a ed.)

Duggan, Anne. "Hyacinth Bobone: Diplomat and Pope." Pope Celestine III (1191 - 1198) 2008: 1-30.

Cita MLA (9a ed.)

Duggan, Anne. "Hyacinth Bobone: Diplomat and Pope." Pope Celestine III (1191 - 1198), 2008, pp. 1-30.

Precaución: Estas citas no son 100% exactas.