Cita APA (7a ed.)

Wolff, P. (1971). Western languages, AD 100-1500. Weidenfeld and Nicolson.

Cita Chicago Style (17a ed.)

Wolff, Philippe. Western Languages, AD 100-1500. London: Weidenfeld and Nicolson, 1971.

Cita MLA (9a ed.)

Wolff, Philippe. Western Languages, AD 100-1500. Weidenfeld and Nicolson, 1971.