APA (7th ed.) Citation

Hoyt, R. S. (1957). Europe in the middle ages. Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Hoyt, Robert Stuart. Europe in the Middle Ages. New York: Harcourt, Brace & World, 1957.

MLA (9th ed.) Citation

Hoyt, Robert Stuart. Europe in the Middle Ages. Harcourt, Brace & World, 1957.

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