APA Zitierstil

Egger, C., Gregorius Papa, I., & Innocentius Papa, I. (2004). "The growling of the lion and the humming of the fly": Gregory the Great and Innocent III. Pope, church and city, 13.

Chicago Zitierstil

Egger, Christoph, I. Gregorius Papa, und III Innocentius Papa. ""The Growling of the Lion and the Humming of the Fly": Gregory the Great and Innocent III." Pope, Church and City 2004: 13.

MLA Zitierstil

Egger, Christoph, et al. ""The Growling of the Lion and the Humming of the Fly": Gregory the Great and Innocent III." Pope, Church and City, 2004, p. 13.