APA引文

Palen, J. J. (2002). The urban world (6th ed.). Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

Palen, J. John. The Urban World. 6th ed. Boston: McGraw-Hill, 2002.

MLA引文

Palen, J. John. The Urban World. 6th ed. Boston: McGraw-Hill, 2002.

警告：这些引文格式不一定是100％准确.