Citazione Stile APA (7a Edizione)

Richards, D. (1952). An illustrated history of modern Europe: 1789 - 1945 (5. ed., new impr.). Longmans, Green.

Citazione stile Chigago Style (17a edizione)

Richards, Denis. An Illustrated History of Modern Europe: 1789 - 1945. 5. ed., new impr. London [u.a.]: Longmans, Green, 1952.

Citatione MLA (9a ed.)

Richards, Denis. An Illustrated History of Modern Europe: 1789 - 1945. 5. ed., new impr. Longmans, Green, 1952.