APA (7th ed.) Citation

Ullmann, W. The significance of Innocent III's decretal "Vergentis".

Chicago Style (17th ed.) Citation

Ullmann, Walter. The Significance of Innocent III's Decretal "Vergentis".

MLA (9th ed.) Citation

Ullmann, Walter. The Significance of Innocent III's Decretal "Vergentis".

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