APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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