APA (7th ed.) Citation

Hay, D. (1970). The medieval centuries. Mathuen.

Chicago Style (17th ed.) Citation

Hay, Denys. The Medieval Centuries. London: Mathuen, 1970.

MLA (9th ed.) Citation

Hay, Denys. The Medieval Centuries. Mathuen, 1970.

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