APA (7th ed.) Citation

Sanford, E. M. (1951). The twelfth century - Renaissance or Proto-Renaissance?

Chicago Style (17th ed.) Citation

Sanford, Eva Matthews. The Twelfth Century - Renaissance or Proto-Renaissance? 1951.

MLA (9th ed.) Citation

Sanford, Eva Matthews. The Twelfth Century - Renaissance or Proto-Renaissance? 1951.

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