APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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