APA ציטוט

(1993). The world almanac and book of facts 1993. New York: St. Martin's.

Trích dẫn kiểu Chicago

The World Almanac and Book of Facts 1993. New York: St. Martin's, 1993.

ציטוט MLA

The World Almanac and Book of Facts 1993. New York: St. Martin's, 1993.