APA引文

World Almanac Books. (2004). The world almanac and book of facts 2004. New York: World Almanac Books.

Trích dẫn kiểu Chicago

World Almanac Books. The World Almanac and Book of Facts 2004. New York: World Almanac Books, 2004.

MLA引文

World Almanac Books. The World Almanac and Book of Facts 2004. New York: World Almanac Books, 2004.

警告：这些引文格式不一定是100％准确.