APA (7th ed.) Citation

Brooke, C. N. L. (1970). The twelfth century renaissance ([1st American ed.). Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Brooke, Christopher Nugent Lawrence. The Twelfth Century Renaissance. [1st American ed. New York]: Harcourt, Brace & World, 1970.

MLA (9th ed.) Citation

Brooke, Christopher Nugent Lawrence. The Twelfth Century Renaissance. [1st American ed. Harcourt, Brace & World, 1970.