Citazione Stile APA (7a Edizione)

LITTLEFIELD, H. W. (1963). History of Europe since 1815 (21st ed.). Barnes and Noble.

Citazione stile Chigago Style (17a edizione)

LITTLEFIELD, Henry W. History of Europe Since 1815. 21st ed. New York: Barnes and Noble, 1963.

Citatione MLA (9a ed.)

LITTLEFIELD, Henry W. History of Europe Since 1815. 21st ed. Barnes and Noble, 1963.