Littlefield, H. W. (1953). History of Europe since 1815. New York: Barnes & Noble.
Trích dẫn kiểu ChicagoLittlefield, Henry W. History of Europe Since 1815. New York: Barnes & Noble, 1953.
MLA引文Littlefield, Henry W. History of Europe Since 1815. New York: Barnes & Noble, 1953.
警告:這些引文格式不一定是100%准確.