APA (7th ed.) Citation

(1989). The World almanac and book of facts 1989. New York World Telegram.

Chicago Style (17th ed.) Citation

The World Almanac and Book of Facts 1989. New York: New York World Telegram, 1989.

MLA (9th ed.) Citation

The World Almanac and Book of Facts 1989. New York World Telegram, 1989.

Warning: These citations may not always be 100% accurate.