Cita APA (7th ed.)

RICHARDS, D. (1950). An illustrated history of modern Europe; 1789-1945: Denis Richards (5th ed.). Longman.

Cita Chicago (17th ed.)

RICHARDS, Denis. An Illustrated History of Modern Europe; 1789-1945: Denis Richards. 5th ed. London: Longman, 1950.

Cita MLA (9th ed.)

RICHARDS, Denis. An Illustrated History of Modern Europe; 1789-1945: Denis Richards. 5th ed. Longman, 1950.