APA (7th ed.) Citation

Urban II, B. P. (1881). Epistolae, Diplomata, Sermones. [Verlag nicht ermittelbar].

Chicago Style (17th ed.) Citation

Urban II, B. Papa. Epistolae, Diplomata, Sermones. Parisiis: [Verlag nicht ermittelbar], 1881.

MLA (9th ed.) Citation

Urban II, B. Papa. Epistolae, Diplomata, Sermones. [Verlag nicht ermittelbar], 1881.

Warning: These citations may not always be 100% accurate.