Snooks, G. D. (1998). The laws of history. Routledge.
芝加哥风格引文Snooks, G. D. The Laws of History. London ; New York: Routledge, 1998.
MLA引文Snooks, G. D. The Laws of History. Routledge, 1998.
警告：这些引文格式不一定是100％准确.
APA引文
Snooks, G. D. (1998). The laws of history. Routledge.
芝加哥风格引文Snooks, G. D. The Laws of History. London ; New York: Routledge, 1998.
MLA引文Snooks, G. D. The Laws of History. Routledge, 1998.