APA引文

Henry W Littlefield. (1963). History of Europe since 1815. New York: Barnes and Noble.

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.