Fry. Lincoln, Seward, and US Foreign Relations in the Civil War Era. The University Press of Kentucky.
芝加哥风格引文Fry. Lincoln, Seward, and US Foreign Relations in the Civil War Era. The University Press of Kentucky.
MLA引文Fry. Lincoln, Seward, and US Foreign Relations in the Civil War Era. The University Press of Kentucky.
警告：这些引文格式不一定是100％准确.