APA引文

(1994). An outline of American history. New York: United States Information Agency.

Trích dẫn kiểu Chicago

An Outline of American History. New York: United States Information Agency, 1994.

MLA引文

An Outline of American History. New York: United States Information Agency, 1994.

警告：这些引文格式不一定是100％准确.