APA (7th ed.) Citation

Graus, F., & Barraclough, G. (1970). Eastern and Western Europe in the Middle Ages. Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

Graus, František, and Geoffrey Barraclough. Eastern and Western Europe in the Middle Ages. [New York]: Harcourt Brace Jovanovich, 1970.

MLA (9th ed.) Citation

Graus, František, and Geoffrey Barraclough. Eastern and Western Europe in the Middle Ages. Harcourt Brace Jovanovich, 1970.

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