APA (7th ed.) Citation
(1989). Year Book. The 1989 World Book: A Review of the Events of 1988. The World Book,Inc.
Chicago Style (17th ed.) Citation
Year Book. The 1989 World Book: A Review of the Events of 1988. Chicago: The World Book,Inc, 1989.
MLA (9th ed.) Citation
Year Book. The 1989 World Book: A Review of the Events of 1988. The World Book,Inc, 1989.
Warning: These citations may not always be 100% accurate.