APA (7th ed.) Citation

Barraclough, G., & Graus, F. (1970). Eastern and western Europe in the Middle Ages. Thames & Hudson.

Chicago Style (17th ed.) Citation

Barraclough, Geoffrey, and František Graus. Eastern and Western Europe in the Middle Ages. London: Thames & Hudson, 1970.

MLA (8th ed.) Citation

Barraclough, Geoffrey, and František Graus. Eastern and Western Europe in the Middle Ages. Thames & Hudson, 1970.