APA引文

Siegel, F. (2008). Urban Society 13th Edition. McGraw-hill.

Trích dẫn kiểu Chicago

Siegel, Fred. Urban Society 13th Edition. McGraw-hill, 2008.

MLA引文

Siegel, Fred. Urban Society 13th Edition. McGraw-hill, 2008.

警告：这些引文格式不一定是100％准确.