APA引文

(1972). The world almanac and book of facts 1972. New York, N. Y.: Newspaper Enterprise Association.

Trích dẫn kiểu Chicago

The World Almanac and Book of Facts 1972. New York, N. Y.: Newspaper Enterprise Association, 1972.

MLA引文

The World Almanac and Book of Facts 1972. New York, N. Y.: Newspaper Enterprise Association, 1972.

警告：這些引文格式不一定是100％准確.