APA(7版)引用形式
Heinrichs, W. H. (1989). Threshold of war: Franklin D. Roosevelt and American entry into World War II. Oxford University Press.
Chicagoスタイル(17版)引用形式
Heinrichs, Waldo H. Threshold of War: Franklin D. Roosevelt and American Entry into World War II. New York: Oxford University Press, 1989.
MLA(9版)引用形式
Heinrichs, Waldo H. Threshold of War: Franklin D. Roosevelt and American Entry into World War II. Oxford University Press, 1989.
警告: この引用は必ずしも正確ではありません.