APA (7th ed.) Citation

Ullmann, W. (1965). The Papacy as an Institution of Government in the Middle Ages. Studies in church history, 2, 78-101. doi:10.1017/S0424208400005131

Chicago Style (17th ed.) Citation

Ullmann, Walter. "The Papacy as an Institution of Government in the Middle Ages." Studies in Church History 2 (1965): 78-101, https://doi.org/10.1017/S0424208400005131.

MLA (9th ed.) Citation

Ullmann, Walter. "The Papacy as an Institution of Government in the Middle Ages." Studies in Church History, vol. 2, 1965, pp. 78-101, https://doi.org/10.1017/S0424208400005131.

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