(1928). The history of Nations: South America. P. F. Collier & Son Co..
芝加哥风格引文The History of Nations: South America. New York: P. F. Collier & Son Co., 1928.
MLA引文The History of Nations: South America. P. F. Collier & Son Co., 1928.
警告：这些引文格式不一定是100％准确.