APA引文

(2009). U.S.: A narrative history. Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

U.S.: A Narrative History. Boston: McGraw-Hill, 2009.

MLA引文

U.S.: A Narrative History. Boston: McGraw-Hill, 2009.

警告:這些引文格式不一定是100%准確.