Cita APA (7a ed.)

Constable, G. (1998). The reformation of the twelfth century. University Press.

Cita Chicago Style (17a ed.)

Constable, Giles. The Reformation of the Twelfth Century. Cambridge: University Press, 1998.

Cita MLA (9a ed.)

Constable, Giles. The Reformation of the Twelfth Century. University Press, 1998.