Cita APA (7a ed.)

Ozment, S. (1980). The age of reform 1250 - 1950. Yale University Press.

Cita Chicago Style (17a ed.)

Ozment, Steven. The Age of Reform 1250 - 1950. Yale University Press, 1980.

Cita MLA (9a ed.)

Ozment, Steven. The Age of Reform 1250 - 1950. Yale University Press, 1980.