Citazione Stile APA (7a Edizione)

Littlefield, H. W. (1963). History of Europe since 1815 (21. ed.). Barnes & Noble.

Citazione stile Chigago Style (17a edizione)

Littlefield, Henry W. History of Europe Since 1815. 21. ed. New York: Barnes & Noble, 1963.

Citatione MLA (9a ed.)

Littlefield, Henry W. History of Europe Since 1815. 21. ed. Barnes & Noble, 1963.