Cita APA (7a ed.)

Somervell, D. C. (1946). Modern Europe: 1871 - 1939 (5. ed.). Methuen.

Cita Chicago Style (17a ed.)

Somervell, David C. Modern Europe: 1871 - 1939. 5. ed. London: Methuen, 1946.

Cita MLA (9a ed.)

Somervell, David C. Modern Europe: 1871 - 1939. 5. ed. Methuen, 1946.