APA (7th ed.) Citation

Barraclough, G. (1968). The medieval papacy. Thames and Hudson.

Chicago Style (17th ed.) Citation

Barraclough, Geoffrey. The Medieval Papacy. London: Thames and Hudson, 1968.

MLA (9th ed.) Citation

Barraclough, Geoffrey. The Medieval Papacy. Thames and Hudson, 1968.

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