APA (7th ed.) Citation

Crouch, D. (1986). The Beaumont twins: The roots and branches of power in the twelfth century. Cambridge University Press.

Chicago Style (17th ed.) Citation

Crouch, David. The Beaumont Twins: The Roots and Branches of Power in the Twelfth Century. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1986.

MLA (9th ed.) Citation

Crouch, David. The Beaumont Twins: The Roots and Branches of Power in the Twelfth Century. Cambridge University Press, 1986.