APA引文
Kohl, H. (1891). Fürst Bismarck.
Chicago Style (17th ed.) Citation
Kohl, Horst. Fürst Bismarck. Leipzig, 1891.
MLA引文
Kohl, Horst. Fürst Bismarck. 1891.
警告：這些引文格式不一定是100％准確.