Holborn, H. (1970). Germany and Europe: Historical essays. Doubleday.
芝加哥风格引文Holborn, Hajo. Germany and Europe: Historical Essays. Garden City, NY: Doubleday, 1970.
MLA引文Holborn, Hajo. Germany and Europe: Historical Essays. Doubleday, 1970.
警告：这些引文格式不一定是100％准确.