APA (7th ed.) Citation

MacKay, A. (1977). Spain in the Middle Ages: From frontier to empire, 1000-1500 (1. publ.). Macmillan.

Chicago Style (17th ed.) Citation

MacKay, Angus. Spain in the Middle Ages: From Frontier to Empire, 1000-1500. 1. publ. London: Macmillan, 1977.

MLA (9th ed.) Citation

MacKay, Angus. Spain in the Middle Ages: From Frontier to Empire, 1000-1500. 1. publ. Macmillan, 1977.

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