Berger, T. (1991). Changing the past: A novel. Penguin Books.
芝加哥风格引文Berger, Thomas. Changing the Past: A Novel. New York, N.Y., U.S.A.: Penguin Books, 1991.
MLA引文Berger, Thomas. Changing the Past: A Novel. Penguin Books, 1991.
警告：这些引文格式不一定是100％准确.